Hawaii Volcanoes National Park

Hawaii Volcanoes National Park

Location: Hilo, Hawaii Island    Map

Area: 505.36 sq mi (1,308.9 km2)

Official site

 

Hawaiʻi Volcanoes National Park is a renowned national park located on the Big Island (Hawaiʻi Island) in the state of Hawaii, USA. This protected area, encompassing over 323,000 acres, showcases dramatic volcanic landscapes and is recognized as a UNESCO World Heritage Site since 1987 for its outstanding examples of active geological processes and diverse ecosystems.
The park operates 24 hours a day, every day of the year, welcoming visitors around the clock, though certain areas may close temporarily due to volcanic activity, weather, or safety concerns.
Respect is essential when visiting. Native Hawaiian culture deeply reveres the volcanoes as sacred, viewing them as the domain of the fire goddess Pele. Always honor local traditions, stay on designated trails, avoid disturbing cultural sites, and follow park guidelines. Additionally, volcanic environments are inherently hazardous—be cautious around unstable terrain, toxic gases (like sulfur dioxide), sudden steam explosions, cracking ground, and hot lava flows. Check current conditions via the National Park Service or USGS Hawaiian Volcano Observatory before heading out.
The park's terrain is incredibly diverse, ranging from stark, black and ropy pahoehoe and jagged ʻaʻā lava fields, to lush rainforests teeming with native ferns and ohia trees, drier leeward forests, and rugged coastal areas with rocky beaches. Key volcanic features include massive calderas (broad, basin-like depressions formed by collapse, far larger than the vents they contain), pit craters (sinkhole-like depressions from surface collapse rather than explosive venting), twisting lava tubes, deep crevices, steaming geothermal vents (fumaroles), and occasionally active flowing lava at the summit.
Hawaiʻi Island itself was built by five major shield volcanoes: Kohala (the oldest), Mauna Kea, Hualālai, Mauna Loa, and Kīlauea.

Extinct volcanoes no longer have the potential to erupt.
Dormant ones have not erupted in historical times (roughly the last 200+ years in Hawaiʻi) but could awaken in the future.
Active volcanoes have erupted within that historical period.

Kohala, the island's eldest volcano, last erupted around 60,000 years ago and is now extinct. Mauna Kea, famed for its astronomical observatories, last erupted about 3,600–4,000 years ago and is considered dormant. Hualālai, Mauna Loa, and Kīlauea remain active.
Hualālai has had seven eruptions in the past 2,100 years, with its only historical (post-1800) activity in 1800–1801. Mauna Loa, the world's largest active volcano by volume and area, most recently erupted in late 2022 (November 27–December 10), after a 38-year dormancy since 1984—no eruptions have occurred since then. Kīlauea, one of the planet's most active volcanoes, has experienced frequent summit activity, with episodic eruptions in Halemaʻumaʻu crater ongoing since late 2024. As of early March 2026, Kīlauea is paused after Episode 42 ended on February 15; the next episode (43) is forecast to potentially begin between approximately March 10–16, based on current monitoring data from the USGS Hawaiian Volcano Observatory. Activity remains confined to the summit within the park, with no significant rift zone unrest.
Offshore, the submarine volcano Lōʻihi lies about 15 miles (24 km) southeast of the Big Island, rising 3,178 feet (969 m) below sea level. Signs of activity—including earthquakes, hydrothermal vents, and fresh lava—confirm it is active, though it is expected to take another 250,000 years or more before it emerges as new land above the ocean surface.

 

Getting in

By Car
The park is located on the southeastern side of the Big Island (Hawaiʻi Island), along the famous Chain of Craters and near Kīlauea volcano.

From Hilo (eastern side): Drive about 30 miles southwest via Highway 11 (also called the Volcano Road). This scenic route takes roughly 45 minutes under normal conditions, winding through lush rainforests.
From Kailua-Kona (western side): The most direct route is 96 miles southeast on Highway 11, taking 2 to 2.5 hours. Alternatively, take the longer northern loop through Waimea (about 125 miles via Highways 19 and 11), which passes coffee farms and ranches and takes 2.5 to 3 hours.
Road conditions can vary due to weather or volcanic activity—check the park's current alerts before heading out. Rental cars are widely available at airports, but note that some off-road or unpaved sections may have restrictions.

By Bus (Public Transit)
The Hele-On Bus (Hawaiʻi County's public transit system) offers limited service to the park. The main route is the Red Line (Route 11: Hilo to Volcanoes National Park), with stops including the Volcano area. Service runs daily but is commuter-oriented, with a few early-morning and afternoon departures (e.g., departures from Hilo around 5:00 AM, 7:35 AM on weekdays, then midday and evening times like 1:29 PM and 4:29 PM). No service on major holidays in some cases. It's affordable and connects to other island routes (e.g., Kona/Hilo), but schedules are limited—ideal for budget travelers without a car. A $15 park entrance fee (7-day pass) is payable to the bus operator for Volcano access. Always confirm the latest timetable on the Hele-On website, as routes can adjust.

By Air
Fly into Hilo International Airport (ITO) on the east side (closer to the park) or Ellison Onizuka Kona International Airport (KOA) on the west side. Both are served by major U.S. mainland and international carriers, plus inter-island airlines like Hawaiian Airlines and Southwest for quick hops from Oʻahu or other islands. From either airport, rent a car for the easiest park access, as public transport options are limited.

 

Entrance Fees and Permits

Entrance passes are valid for 7 consecutive days and allow unlimited re-entry during that period. All visitors age 16 and older must pay (children 15 and under enter free). Fees are payable at entrance stations (credit/debit cards preferred; cash may not always be accepted).

Standard Entrance Fees
$15 per person — For individuals entering on foot, bicycle, or motorcycle (admits one person).
$25 per motorcycle — Covers the rider and one passenger.
$30 per private vehicle — Admits all passengers in one non-commercial vehicle (up to a standard limit, often 15 people). Note: Organized non-profit groups like scouts or school clubs typically don't qualify for this rate.

Other Passes
Hawaiʻi Tri-Park Annual Pass ($55): Provides unlimited access for one full year (from first use) to Hawaiʻi Volcanoes, Haleakalā (Maui), and Puʻuhonua o Hōnaunau National Historical Park (Big Island). Great value if visiting multiple Hawaiian parks.
America the Beautiful – The National Parks and Federal Recreational Lands Pass (Interagency Pass): Covers entry to this park and thousands of federal sites nationwide. Options include:
Annual Pass ($80): Open to anyone; $20 for U.S. citizens/permanent residents 62+; free for active U.S. military (with CAC or Military ID).
Lifetime Senior Pass ($80 one-time): For U.S. citizens/residents 62+.
Access Pass (free lifetime): For U.S. citizens/residents with permanent disabilities (documentation required).
Military/Veterans/Gold Star passes (free or discounted).
Volunteer Pass (free): After 250+ hours of volunteering with participating federal agencies.
Every Kid Outdoors 4th Grade Pass (free annual): For 4th graders and accompanying passengers in a vehicle (register online at everykidoutdoors.gov).

Free Entrance Days (for 2026, typically for U.S. citizens/residents; confirm details as policies evolve):
The National Park Service offers fee-free days at many sites, including Hawaiʻi Volcanoes:

Martin Luther King Jr. Day (third Monday in January; next: January 19, 2026)
First day of National Park Week (third Saturday in April; next: April 18, 2026)
National Park Service Birthday (August 25)
National Public Lands Day (fourth Saturday in September; next: September 26, 2026)
Veterans Day (November 11)
(Note: Some 2026 sources mention additional or adjusted days like Presidents' Day, Memorial Day, etc.—check nps.gov for the official list.)

 

Getting Around

There is no public transportation within the park boundaries, so plan to use your own vehicle, bike, or join a guided tour. The main Crater Rim Drive (11-mile loop) and Chain of Craters Road offer stunning views of calderas, craters, lava fields, and ocean entries (when active). Download or pick up free maps and brochures at the Kīlauea Visitor Center (open daily, typically 9 AM–5 PM; note occasional renovations). These include detailed road guides, trail info, ranger programs, and safety tips—essential since volcanic activity, gas emissions, and weather can close areas unexpectedly. Biking is allowed on roads, but trails vary in difficulty.

 

What to see

Hawaiʻi Volcanoes National Park offers an incredible opportunity to immerse yourself in the dynamic volcanic landscape of the Big Island, where visitors can easily spend several days (or even longer) discovering its diverse wonders. The park highlights a wide range of Hawaiian geological features, from ancient lava flows and lush rainforests to dramatic craters and coastal cliffs. With Kīlauea currently in an episodic eruption phase at its summit within Halemaʻumaʻu crater (ongoing since late 2024, with over 42 episodes as of early March 2026, though currently paused as of March 3, 2026, with the next possible episode forecasted around mid-March), there's always potential for spectacular activity—check the official USGS Hawaiian Volcano Observatory and NPS websites for real-time updates on eruptions, lava viewing, and safety alerts.
Start your visit at the Kīlauea Visitor Center area (near the park entrance). Note that the main Kīlauea Visitor Center is currently closed for renovations (expected to reopen later in 2026), but visitor services, ranger information, maps, the NPS Passport stamp, Junior Ranger materials, and a park store have relocated to the Welcome Center at Kīlauea Military Camp (KMC), open daily from 9 AM to 4:45 PM. Park rangers provide the latest on trail conditions, lava flows, volcanic gas levels, and road status. The exhibits (available in relocated or temporary formats) cover fascinating topics like the island's fiery formation, how life colonized Hawaiʻi via wind, wings, and waves, diverse ecosystems stretching from ocean to mountain peaks, the vibrant sounds and sights of the rainforest, threats from invasive species, and conservation heroes. Throughout, you'll encounter the profound manaʻo (wisdom) and moʻolelo (stories) of Native Hawaiians. A popular film, Born of Fire, Born of the Sea, typically screens hourly from 9 AM to 4 PM in the auditorium—ask about it or other ranger-led programs, hikes, and talks, which are often excellent for gaining deeper insights.
Right next door, the Volcano Art Center Gallery (open daily 9 AM–5 PM) showcases stunning works by local and Native Hawaiian artists, featuring themes inspired by the volcano, culture, and nature. It's a great spot to browse or purchase unique souvenirs like paintings, prints, jewelry, or sculptures—though prices reflect the high quality and can be on the higher side. Admission is free.
A must-do for every visitor is Crater Rim Drive (west section), a scenic 6-mile partial loop starting near Uēkahuna overlook in the west and connecting south toward Chain of Craters Road. It offers easy access to marked overlooks and short trails with breathtaking views of the summit caldera and ongoing volcanic features. The full original loop was disrupted by the major 2018 eruption and subsequent events, with the southwest section permanently closed due to road collapses and hazards—always follow current maps and signs. Recent episodic eruptions (including tephra fallout in early 2026) have occasionally led to temporary closures for cleanup, but as of recent updates, accessible sections like Crater Rim Drive West and parts of East have been open or reopened after maintenance.
One of the park's most popular short hikes is to Thurston Lava Tube (Nāhuku) along Crater Rim Drive. This 350–500-year-old lava tube formed when molten lava drained out, leaving a hollow tunnel. A easy 20–40 minute loop trail winds through lush rainforest, descends into a small pit crater, passes through a 400-foot (120 m) lighted section of the tube (illuminated for safety and viewing), and returns via the forest. The tube once extended farther into darkness, but the unlighted portion remains closed due to post-2018 hazards. Access is from a dedicated parking area (with a 30-minute limit) or the nearby Kīlauea Iki lot.
Continue down Chain of Craters Road, a dramatic 20-mile descent dropping about 3,700 feet through hardened lava fields to the coast, ending where lava flows from 2003 (and potentially more recent activity) overran the pavement. No services (food, water, or gas) are available along this road, so come prepared. Depending on volcanic conditions, the road's end sometimes offers distant views of active lava—though current summit-focused episodes mean viewing is more reliably from caldera rim areas rather than the coast. Stay on designated paths and heed closures.
A highlight along Chain of Craters Road is the Puʻuloa Petroglyph Field (at milepost 16.5). "Puʻuloa" means "long hill" or "hill of long life" in Hawaiian, and this sacred site in the Panau Nui ahupuaʻa holds deep cultural significance, especially for Kalapana families. The vast pahoehoe lava surface features over 23,000 petroglyphs (pecked images) — mostly cupules (small holes, about 84%), but also circles, geometric patterns, enigmatic designs, human figures, canoe sails, and feathered cape motifs. Park at the pullout (with an emergency call box), then follow a gentle 0.7-mile trail over undulating lava bedrock to a protective boardwalk that allows viewing without damaging the fragile site.
Another cultural treasure is The Footprints (accessible via the Kaʻū Desert Trailhead off Highway 11 or from Crater Rim Drive). These remarkable 1792 footprints—preserved in volcanic ash—belong to a group of warriors caught in an explosive eruption during a historical conflict. Stay strictly on established trails, as the ash deposits are extremely fragile and easily damaged. Respect this wahi pana (sacred place) by not moving rocks, removing plants, or straying off paths.
Finally, at the end of Chain of Craters Road, stop at the Hōlei Sea Arch viewpoint. This offers stunning panoramic views of the rugged coastline, towering volcanic cliffs, and the Pacific Ocean. The namesake sea arch—rising about 90 feet high—is visible looking east, carved by relentless waves into the lava rock. It's a dramatic, free spot to appreciate the power of both fire and water in shaping Hawaiʻi.

 

What to do

Hawaiʻi Volcanoes National Park offers a fantastic variety of hiking opportunities, with trails catering to different skill levels and interests. Easy, family-friendly walks include the scenic Bird Park (Kīpukā Puaulu), a gentle loop through native forest showcasing unique Hawaiian birdlife and plants, and the short, accessible Thurston Lava Tube (Nāhuku), where you can stroll through a stunning, fern-draped lava tube with minimal effort. For moderately challenging adventures, popular options like the Kīlauea Iki Trail take you across a dramatic, cooled lava lake floor from a 1959 eruption (about 4 miles round-trip with some steep sections), or the Mauna Iki Trail, which offers expansive views and a sense of remote volcanic terrain. More demanding backcountry routes venture into true wilderness areas, requiring excellent physical fitness, proper preparation, navigation skills, and appropriate gear—including layers for unpredictable high-elevation weather (often cool and rainy at the summit).
Most maintained trails are well-groomed, clearly marked, and straightforward to follow, making them enjoyable for a wide range of visitors. In wilderness sections, trails are more primitively indicated by ahu (traditional Hawaiian cairns—small stacks of rocks) rather than signs. For accessibility, the Devastation Trail (a paved boardwalk through a stark, moon-like landscape scarred by past eruptions) and Waldron Ledge areas are wheelchair- and stroller-friendly with smooth surfaces and scenic overlooks. Note that some trails or sections may be temporarily closed or restricted due to ongoing volcanic activity, recent eruptions (including episodic lava events at Halemaʻumaʻu in 2025–2026), construction projects, or safety concerns—always check the official NPS website or park updates for the latest conditions before heading out.
Ranger assistance is available at the park's visitor services, currently relocated to the Welcome Center at Kīlauea Military Camp (open daily around 9 a.m. to 4:45 p.m., though exact hours can vary—confirm via the park site). Rangers provide up-to-date trail advice, free maps, backcountry permits for overnight hikes, and safety tips. For more details, refer to the National Park Service resources on day hikes and overnight/backcountry options.

 

Shopping

The Hawaiʻi Pacific Parks Association bookstore (now at the Welcome Center, adjoining visitor services) stocks a wide selection of books, guides, souvenirs, and educational materials focused on Hawaiʻi's volcanoes, native ecosystems, geology, and rich cultural history. As a non-profit cooperating association, purchases directly support the park's conservation, education, and interpretive programs. (Note: The original location near the Jaggar Museum may have limited or alternative sales.)

 

Dining

Inside the park, the historic Volcano House Hotel and Restaurant sits dramatically on the rim of the Kīlauea Caldera, offering meals with incredible views of the volcanic landscape (breakfast buffet, lunch, and dinner available; reservations often recommended—call +1 808-967-7321 or check their site). For more casual or varied options, head just 1–2 minutes north to the charming town of Volcano Village, home to several tasty local restaurants, cafes, and eateries serving everything from island-inspired cuisine to hearty comfort food.

 

Drinks

Grab a quick beverage from vending machines at visitor areas or information points in the park. For a more relaxed experience with local beers, cocktails, or coffee, explore the bars and lounges in nearby Volcano Village establishments.

 

Sleep

Lodging Options
In addition to options inside the park, you'll find a variety of charming accommodations in the nearby Volcano Village, a quaint, rainforest-surrounded community just 1–2 minutes north of the park entrance. This area offers vacation rentals, bed-and-breakfasts, and small inns for a more local feel.

Kīlauea Military Camp (KMC)
Address: 99-252 Crater Rim Dr (inside the park).
Phone: +1 808-967-8333 | Email: usarmy.kmc-reservations@mail.mil.
Check-in: 3 PM | Check-out: 11 AM.
This facility provides comfortable lodging exclusively for eligible guests: active-duty military, retirees, National Guard/Reserve members, DoD civilians (including Coast Guard), and their families. It features around 90 cottages and apartments in 1-, 2-, or 3-bedroom configurations, complete with home-like amenities such as kitchens, Wi-Fi (though connectivity can be intermittent), and access to on-site recreational facilities. Rates vary by season and unit type (often starting around $175+ for some cottages, but call or email for current pricing and availability). It's a convenient, peaceful base for exploring the park, with easy access to trails and viewpoints.

The Volcano House Hotel
Address: 1 Crater Rim Drive (dramatically perched right on the rim of Kīlauea Caldera inside the park).
Phone: +1 844-569-8849 | Email: frontdesk@hawaiivolcanohouse.com.
This iconic, historic hotel—dating back to the 19th century—offers 33 guest rooms with stunning crater views (many overlook the caldera and potential steam plumes or lava glow from Halemaʻumaʻu). It's the only hotel directly inside the park, providing a unique experience of waking up to volcanic landscapes at about 4,000 feet elevation. The property also manages rustic camper cabins and campsites at Nāmakanipaio Campground (see below). Note that park entrance fees ($30 per non-commercial vehicle, valid for 7 days) are separate and required. Book early, especially during peak seasons, as it's a popular spot for its location and history.

Camping Options
The park features two drive-in campgrounds—Nāmakanipaio and Kulanaokuaiki—plus numerous backcountry sites for hikers (which require free permits with a small processing fee via Recreation.gov). Both drive-in sites are free in terms of basic access beyond the standard park entrance fee, but they charge per-site fees. No reservations are needed for drive-in camping; it's first-come, first-served. Stays are limited to 7 consecutive days per month (and no more than 30 days per year total). Always pack for cool, damp conditions at these elevations (nights can drop into the 40s–50s°F), and bring layers.

Kulanaokuaiki Campground
Location: Off Hilina Pali Road, at about 3,200 feet (975 m) elevation—roughly a short drive from the main park areas, with views toward Mauna Loa.
This primitive, tent-only site has just 9 walk-in campsites (including two wheelchair-accessible ones), each with a picnic table and tent pad. Amenities are minimal: an accessible vault toilet is available, but no running water, no campfires (fueled stoves only), and no pets allowed (to protect endangered nēnē geese). The area can close during high fire risk or dry conditions.
Fee: $10 per site per night (as of recent years; $5 for Interagency Senior/Access Pass holders). Pay via self-pay station on-site. It's ideal for those seeking a quieter, more secluded experience away from crowds.
Nāmakanipaio Campground
Location: About 3 miles from the Volcano House, at 4,000 feet elevation (roughly 31.5 miles south of Hilo on Highway 11).
This larger, open grassy area is shaded by tall eucalyptus and 'ōhiʻa trees, offering 16 tent sites (first-come, first-served; no RVs or trailers). Facilities include restrooms, potable water, picnic tables, and barbecue pits (campfires permitted only in designated pits). The site is managed by the Volcano House operators and also includes 10 rustic one-room camper cabins (sleeping up to 4, with basic furnishings—no full kitchens, but great for a tent-free camping vibe). These cabins are in high demand and often require advance booking through the Volcano House.
Fee: $15 per tent site per night (cabins cost more—around $80–$100+ depending on season). Additional options include tent rentals if needed. Maximum stay is 7 days. It's a classic, scenic spot with shared facilities and easy access to park trails.

General Tips: Always check the official NPS website (nps.gov/havo) or Volcano House/KMC sites for the latest conditions, volcanic activity updates, fire restrictions, or closures—Hawaiʻi Volcanoes is an active area! Pay the park entrance fee upon arrival (or use an America the Beautiful pass), and practice Leave No Trace principles to protect this unique volcanic environment.

All day hikers planning extended trips and those staying overnight in the backcountry of Hawaiʻi Volcanoes National Park must obtain a free permit (though a $10 processing fee often applies for overnight use, payable online or as directed). These permits are now primarily managed through Recreation.gov, where you can reserve up to 90 days in advance for most spots (75% of permits), with the remaining 25% available in person at the Backcountry Office up to seven days before your trip. The office is open daily (typically 8 a.m. to 4 p.m.), and permits are issued based on availability and campsite limits—overnight stays are strictly regulated to protect resources and ensure safety, with maximum consecutive nights at one site (often 3) and overall trip limits (up to 7 nights, with extensions possible for a fee). Always confirm current details and availability directly with park staff or online, as the process has evolved from same-day or day-before issuance at the Kīlauea Visitor Center (which is currently closed for renovations). Check with rangers for specific campground locations, group size limits (up to 12 people per permit in many cases), and any real-time restrictions due to volcanic activity.

Here are essential guidelines and safety tips for a responsible and safe backcountry experience:
Minimum Impact / Leave No Trace Camping
Follow strict Leave No Trace principles: Pack out everything you pack in—including all trash, food scraps, and waste. Never bury trash, leave it behind, or dispose of it in pit toilets or the environment. Use established campsites, stay on trails to avoid damaging fragile vegetation, and minimize campfire impacts (see fire rules below).

Water Availability and Treatment
The park has no natural streams or reliable open water sources in most backcountry areas due to the porous volcanic terrain. Backpackers must carry in sufficient water (plan for at least 2–4 liters per person per day, more in hot or strenuous conditions). Some designated campgrounds feature rainwater catchment systems or tanks, but availability fluctuates—always check current water levels and status at the Backcountry Office when picking up your permit or via park updates. Treat or filter any collected water before drinking to avoid illness.

Trail Conditions and Hiking Preparation
Hiking across rugged, uneven lava fields is physically demanding and can be slow going. Sturdy hiking boots with excellent ankle support and traction are strongly recommended to navigate sharp, abrasive lava rock safely. Wear long pants to protect legs from cuts if you slip or fall on the glassy, jagged surfaces. Pace yourself conservatively: allow at least 30 minutes per mile on mid-elevation trails, and add extra time for elevation gains, rest breaks, scenic viewpoints, photography, or fatigue. Start hikes early in the morning to beat the heat and intense sun exposure.

Navigation and Sun Protection
Trails are marked with ahu (stone cairns), which blend into the surrounding black lava fields and may take time to spot at first—stay alert and follow them carefully. The trails are well-defined overall, and most hikers quickly learn to identify the cairns. Intense tropical sunlight and reflected glare from lava can cause rapid sunburn; protect yourself with a wide-brimmed hat, polarized sunglasses, high-SPF sunscreen, and lip balm. Avoid midday heat when possible.

Health and Weather Hazards
Trails pass through exposed, sun-baked lava deserts and lush, wet rainforests—conditions change quickly. Maintain a steady pace, stay hydrated, and take frequent breaks. Pack extra layers, a warm sleeping bag (store in waterproof bags), and essential raingear, as sudden downpours are common. Hypothermia is a serious risk if you get wet and cold, even in mild temperatures—stay dry and warm. Prepare for injuries from falls on sharp lava: carry a well-stocked first-aid kit with bandages, antiseptic, tweezers for removing glass-like fragments, and blister care.

Volcanic Hazards
Eruptions can occur without warning in this active volcanic landscape. If lava activity begins near your trail, move uphill and upwind immediately to avoid toxic gases, heat, and flows. Be extremely cautious of earth cracks, thin lava crusts that may collapse, hidden lava tubes, unstable ground, and rockfalls. Stay on marked trails—venturing off can lead to dangerous falls or entrapment.

Fire Safety
Many areas feature highly flammable dry grasses and brush. Open fires, campfires, and smoking are strictly prohibited throughout the backcountry to prevent wildfires.

Protecting Cultural and Natural Resources
The park preserves significant archaeological sites, artifacts, and sacred places from ancient Hawaiian culture. Never move rocks, climb on or disturb structures like heiau (temples), lava trees, stone walls, petroglyphs, or other features. Entering caves is forbidden. All plants, animals, rocks, minerals, and cultural/natural objects are protected by federal law—removing, damaging, or altering them is illegal and punishable.

Prohibited Items
Dogs (and other pets) are not allowed in the wilderness/backcountry areas. Firearms are also prohibited.

Trip Planning and Emergency Procedures
Before heading out, share a detailed trip plan with a trusted friend or family member, including your route, expected duration, and return time. Instruct them to notify authorities if you don't check in by the agreed deadline. If you become lost or injured, stay put in one place to aid rescuers—use bright clothing, reflective items, a whistle, or signal mirror to attract attention. Park rangers typically wait 24 hours after notification before launching a full search. In an emergency, call Hawaii County 911.

Checking Out After Your Trip
Upon completing your hike, return to the Backcountry Office (or Kīlauea Visitor Center area if applicable) to check out and inform rangers you've safely exited. This is crucial in this dynamic volcanic environment—accurate tracking helps rangers account for everyone during potential eruptions or emergencies.

 

Respect

Please show deep respect for the natural environment and cultural heritage of Hawaiʻi Volcanoes National Park by refraining from removing or disturbing any natural elements, such as rocks, lava stones, sand, pumice, or other materials. This includes anything within the park boundaries or across the Hawaiian Islands more broadly.
Visitors to the park often hear stories about Pele, the powerful Hawaiian goddess of volcanoes, fire, and creation. According to a popular legend (sometimes called "Pele's Curse"), anyone who takes volcanic rocks or other natural items from Hawaiʻi—even from areas outside the national park—may experience misfortune, bad luck, or other troubles as a form of Pele's displeasure. While this tale is more of a modern urban legend than an ancient taboo, it has become deeply ingrained in local culture. Many tourists who have taken souvenirs later mail them back to the islands hoping to lift the supposed curse.
Beyond the legend, removing any natural materials is strictly illegal within a U.S. national park and can result in fines or penalties. It is also considered unethical and disrespectful by many Hawaiians for religious, spiritual, moral, and environmental reasons—the islands' fragile ecosystems and sacred landscapes deserve protection. The guiding principle is simple and timeless: Take only pictures, leave only footprints (and ideally, no trace at all).

 

Stay Safe

Hawaiʻi Volcanoes National Park features rugged, ever-changing terrain shaped by active volcanoes like Kīlauea, so prioritize safety at all times.

Dress appropriately: Wear sturdy, closed-toe hiking shoes (no sandals or flip-flops) and long pants to protect against sharp lava rock, uneven ground, and potential scrapes or burns.
Hydrate frequently: Bring plenty of water—at least 2–3 liters per person for longer hikes—and drink regularly, as the high elevation, sun, and dry air can lead to quick dehydration.
Time your activities wisely: Avoid hiking after dark, when visibility drops and hazards become harder to spot.
Stick to designated paths: Always stay on marked trails and overlooks. Loose vegetation, cinders, or thin lava crust can conceal deep cracks (fissures), unstable ground, or hidden holes in the earth.
Exercise extreme caution near natural features: Be especially careful around cliff edges, cracks, steam vents, and unstable ground—these areas often have slippery surfaces, crumbling edges, or sudden drop-offs. Supervise small children constantly and keep them close.
Understand lava terrain risks: Walking over loose rocks, thin lava shells, cracks, or unstable surfaces significantly raises the chance of injury. Falling onto rough lava can cause deep cuts, burns, fractures, or other serious wounds.
Be aware of volcanic gases (vog and fumes): Harmful emissions, including sulfur dioxide and other gases, can irritate eyes, skin, and lungs. People with heart conditions, respiratory issues (like asthma), infants, young children, pregnant women, or the elderly are at higher risk and should avoid areas with noticeable fumes, such as Halemaʻumaʻu Crater, Sulphur Banks, or other fume-heavy zones. Check current air quality reports, as levels can fluctuate and sometimes lead to temporary closures.
Prepare for sudden eruptions: Volcanic activity can start without warning and pose extreme dangers. Even from a safe distance, airborne fallout like Pele's hair (fine glassy strands), pumice, ash, or cinder can irritate lungs and eyes. Monitor USGS Hawaiian Volcano Observatory updates for real-time status.
Follow official guidance: Always obey park rangers' instructions, posted signs, road closures, and trail alerts. Never enter restricted or closed areas—these are often shut due to risks like large-scale land collapses, high gas levels, unstable cliffs, or active hazards. (Note: Some closures date back years, with ongoing ones related to recent activity and construction; check the park's current alerts and maps for the latest details.)
No safe ocean access: The park has no designated beaches or safe swimming spots. Expect powerful winds, sheer and unstable sea cliffs, strong currents, and massive waves that make the coastline extremely dangerous.

 

Geography

Hawaiʻi Volcanoes National Park lies on the southeastern flank of the Big Island (Hawaiʻi Island) in the U.S. state of Hawaiʻi, southwest of the town of Hilo. It protects a dramatic, ever-changing volcanic landscape shaped by two of the world’s most active shield volcanoes: Kīlauea (one of the most active on Earth) and Mauna Loa (the largest active volcano by volume).
The park spans 354,461 acres (roughly 554 square miles), extending from sea level along the rugged Puna coastline to the summit of Mauna Loa at 13,681 feet (4,170 m). It is a UNESCO World Heritage Site and International Biosphere Reserve.

Geological Formation and Hotspot Origin
The park’s geography stems from the Hawaiian hotspot—a stationary mantle plume beneath the moving Pacific Plate. As the plate drifts northwest at 2–4 inches (5–10 cm) per year, magma rises, building successive shield volcanoes. Older islands (like Kauaʻi, ~5.5 million years old) lie northwest; the Big Island is the youngest, with exposed rocks as young as 0.7 million years. A new seamount (Lōʻihi) is forming offshore southeast of Kīlauea.
Both volcanoes in the park are shield volcanoes: broad, gently sloping domes built from low-viscosity basaltic lava that flows far before cooling. They lack the steep cones of explosive stratovolcanoes. Repeated thin lava layers create the massive, low-angle profiles. Eruptions add new land, bury old terrain, and constantly reshape the surface.

Mauna Loa: Earth’s Largest Shield Volcano
Mauna Loa covers about 51% of the Big Island and rises 13,681 feet (4,170 m) above sea level—plus another ~30,000 feet (9,144 m) from the ocean floor—making its total height greater than Mount Everest. Its immense mass depresses the seafloor beneath it.

Summit caldera: Moku‘āweoweo (roughly 2–3 miles across).
Rift zones: Northeast and southwest (primary); some radial vents northwest.
Surface: About 90% covered by flows less than 4,000 years old.

Eruptions often start at the summit and migrate down rift zones, producing high-volume flows that travel miles. Since 1843, it has erupted 34 times (roughly once every 5–6 years on average). Notable events include the 1950 southwest rift zone flow (reaching the ocean in under 3 hours) and the 1984 northeast rift zone activity threatening Hilo.

Kīlauea: Youngest and Most Active
Kīlauea formed underwater ~280,000 years ago and is slightly smaller than Oʻahu in surface area. Nearly 90% of its slopes are covered by lava flows from the past 1,000 years (20% from the last 200 years).

Summit caldera: Contains the persistently active Halemaʻumaʻu pit crater (historically a lava lake site).
Rift zones: East Rift Zone (highly active, site of the 1983–2018 Puʻu ʻŌʻō eruption and 2018 lower East Rift fissure outbreaks) and Southwest Rift Zone.
2018 activity: A major East Rift eruption triggered summit collapse, expanding Halemaʻumaʻu dramatically (to ~1,600 feet deep and 1.5 miles wide). A water lake briefly formed before a new lava lake reappeared in 2021.

Diverse Landforms and Topographic Features
The park’s terrain mixes vast, fresh lava fields with older vegetated pockets and dramatic voids:

Lava flows — Two main types dominate: pāhoehoe (smooth, ropy, billowy surfaces from fluid lava) and ʻaʻā (rough, jagged, clinkery rubble from more viscous or faster-cooling lava). These create contrasting textures across hundreds of square miles.
Lava tubes — Formed when the surface of a lava river crusts over while the interior continues flowing; these create miles of subterranean passages (e.g., the accessible Nāhuku/Thurston Lava Tube).
Kīpuka — “Islands” of older forest surrounded by younger flows, preserving pockets of native vegetation amid barren new lava.
Pit craters and cinder cones — Collapse pits (e.g., along rift zones) and spatter ramparts/cinder cones built around vents.
Steam vents, sulphur banks, and fumaroles — Geothermal features releasing volcanic gases, creating colorful mineral deposits and acidic micro-environments.
Coastal features — Where lava reaches the sea (especially along Chain of Craters Road), it forms black sand beaches, new land deltas, and dramatic sea arches carved by wave erosion of hardened flows.
Kaʻū Desert — A striking barren zone on the southwest slope, created by a rain shadow (see climate below) plus acid rain from volcanic gases that stunts vegetation and makes the permeable lava absorb rainfall quickly.

Climate, Weather, and Elevation-Driven Zones
Weather is famously unpredictable and varies dramatically with elevation and the rain shadow effect. Northeast trade winds bring moisture that rises and condenses on windward slopes (heavy rain), then descends dry and warm on leeward sides.

Coastal plain (end of Chain of Craters Road): Hot, dry, windy; occasional showers.
Kīlauea summit (~4,000 ft): 12–15°F cooler than sea level; rainy and chilly year-round.
Mauna Loa summit (~13,681 ft): Alpine conditions—possible snow or freezing nights any season, daytime heat possible.

The park spans at least six of Earth’s climate zones: lush tropical rainforest (windward mid-elevations, with tree ferns and ohia forests), wet woodlands, dry forests, arid desert (Kaʻū), and alpine/tundra at the highest elevations. Annual rainfall ranges from over 100 inches in wet areas to very low in the rain shadow. Volcanic gases (especially SO₂) can create localized acid rain (pH as low as 3.4) that further inhibits plant growth in places like the Kaʻū Desert.
Surface hydrology is minimal: the highly porous basalt lava absorbs most rainwater, so there are few permanent streams or rivers. Instead, water moves underground, emerging in coastal springs or as steam vents.

Dynamic and Ongoing Changes
Hawaiʻi Volcanoes National Park is one of the best places on Earth to witness active geology. Eruptions, collapses, inflation/deflation cycles, and lava flows continuously alter elevations, add new coastline, bury trails, and create fresh landforms. Features like lava lakes, fissures, and new kipuka appear or evolve with each event. The landscape you see today is merely a snapshot in an ongoing process that has built the entire Hawaiian Island chain.