Sajama National Park, Bolivia

Sajama National Park

Location: Oruro Department Map

Area: 1,002 km²

 

Sajama National Park (Parque Nacional Sajama) is Bolivia’s oldest national park (established 1939) and one of its most striking high-altitude destinations. Covering roughly 100,000 hectares in Oruro Department near the Chilean border (adjoining Chile’s Lauca National Park), it protects Bolivia’s highest peak, Nevado Sajama (6,542 m / 21,463 ft), geothermal features, the world’s highest forests of queñua trees (Polylepis), wildlife, and living Aymara communities. Elevations range from about 4,200 m at the park floor to the summit.
It is far less visited than the Salar de Uyuni circuit, offering a quieter, more immersive experience of the altiplano. Most visitors base themselves in or near Sajama village (~4,200–4,240 m).

 

Visiting tips

Best Time to Visit
The dry season (roughly April/May to November) is strongly preferred. Skies are clearer, roads and trails are more reliable, and mountain views are excellent. June–August is high season (coldest nights, most visitors). Daytime temperatures often reach 10–22°C (50–72°F) with strong sun; nights routinely drop below freezing and can reach –20°C to –30°C (–4°F to –22°F) in winter.
The wet season (December–March) brings rain, mud, and sometimes difficult or impassable unpaved access roads. Frost can occur year-round. Strong winds and extreme UV are constant factors.

Getting There and Around
Sajama village sits about 12 km off the main La Paz–Oruro–Arica (Chile) highway (Route 4). Total travel time from La Paz is typically 4–5+ hours; from Oruro roughly 2–3+ hours depending on connections.
Common independent routes:
La Paz or Oruro bus to Patacamaya, then shared minibus/colectivo/servis to Sajama village (the most common budget method; one daily direct minibus often leaves Patacamaya around midday when full).
Arica-bound buses from La Paz: ask to be dropped at the Sajama Junction/turn-off near Lagunas, then local transport, shared vehicle, or a short hike (~10–12 km) into the village.
From the Chilean side via Tambo Quemado border town, then local transport.

Private vehicle or guided tour from La Paz/Oruro is far simpler and more reliable, especially if you want flexibility. There is no reliable public transport inside the park—walk, hire a local vehicle/driver, or join a tour. Spanish is very helpful for independent logistics. Confirm schedules locally, as service can be infrequent and road conditions vary.

Entry Fees and Practicalities
Foreign visitors pay 100 BOB (~US$14–15) at the park office (near the junction or in the village area; typically opens ~08:00). This generally includes a basic map; register with your passport. Bolivian nationals pay less. An additional fee (often ~30 BOB) applies for the developed hot springs. There are no ATMs in Sajama or nearby villages—bring enough cash in small bolivianos (withdraw in La Paz or Oruro). Limited shops and basic restaurants exist in the village; services are sparse and mobile signal is minimal or absent in much of the park. Bring more cash and snacks than you expect to need.

Accommodation
Options are basic and limited—book or call ahead in high season or if arriving late:
Simple guesthouses, hostels, and family homestays in Sajama village (e.g., places like Hospedaje Pachamama). Expect shared or basic facilities, thick blankets, and cold nights. Meals are often available.
Tomarapi Ecolodge (community-run Aymara project ~12 km from the main village): More comfortable adobe/thatch rooms with private baths, heating, and meals; good base for guided activities and cultural experiences.
Camping is possible in designated or suitable areas, but nights are dangerously cold without a proper winter sleeping bag and gear.

Community tourism supports local Aymara families who herd llamas and alpacas.

Top Things to See and Do
Hot springs (Aguas Termales de Sajama / Manasaya and nearby pools) — The highlight for most visitors. Natural thermal pools on the altiplano with direct views of Nevado Sajama. Sitting in hot water at over 4,200 m as the volcano glows at sunset is unforgettable. Walk or take a short local lift; some free natural pools exist nearby. Bring swimwear, a towel, and warm layers for after. Extra entry fee applies at developed sites. Go in the afternoon.
Geysers and fumaroles — Steam vents, bubbling mud, and sulphur features in an open basin with mountain views. Usually reached by local vehicle hire (footing can be dangerous near active vents—stay on established paths).
Queñua forests — Trails through the world’s highest woodlands (Polylepis) on the lower slopes of Sajama. Unique and atmospheric walking at elevations where trees rarely grow.
Wildlife and lagoons — Common sightings include vicuñas (elegant wild camelids), llamas, alpacas, Andean foxes, viscachas, rheas (ñandús), Andean condors, and flamingos or other waterbirds on seasonal lagoons (e.g., Laguna Huanakota / Huayna Khota, Tres Lagunas area). Bofedales (high-altitude wetlands) are productive for birds.
Hiking — Day walks from the village to hot springs, geysers, forests, or viewpoints are feasible without a guide once you pay the entry fee (respect altitude). Longer options include the Tres Lagunas trail (can be done in a long day or overnight with proper gear) and circuits past lagoons and chullpas. Multi-day unmarked treks benefit from a local guide due to weather, navigation, and remoteness.
Chullpas — Pre-Hispanic Aymara burial towers scattered across the landscape. Observe from a distance—do not climb or enter.
Climbing Nevado Sajama — A serious glaciated mountaineering objective (crevasses, technical snow, high camp). Requires a qualified guide, prior acclimatization, proper gear, and experience. Not a casual hike. Nearby peaks such as the Payachata twins (Parinacota and Pomerape) are similarly technical. Most visitors simply enjoy the views.
Culture and nearby sights — Aymara communities, traditional herding, and village life. Just outside the park, the colonial Iglesia de Curahuara de Carangas (often called the “Sistine Chapel of the Andes”) features remarkable 17th-century murals and is a worthwhile stop en route. Pre-Hispanic lines etched into the landscape exist nearby but are best seen from height.

Essential Visiting Tips
Altitude is the biggest challenge. The entire park sits above 4,200 m—higher than La Paz. Acclimatize properly in La Paz (or ideally via a gradual ascent from lower cities) for several days beforehand. Symptoms of acute mountain sickness are common; descend if severe. Stay hydrated, avoid alcohol, go slow, and consider consulting a doctor about medication. Do not treat Sajama as an acclimatization stop.
Pack for extremes: Layered clothing (thermal base, fleece, warm insulated jacket, windproof shell), warm hat, gloves, sturdy hiking boots, swimsuit + quick-dry towel, high-SPF sunscreen, sunglasses, lip balm, headlamp, and a sleeping bag rated well below freezing if camping. UV is intense even when it feels cold. Temperature swings of 20–25°C in a day are normal.
Cash, water, and self-sufficiency: No ATMs or reliable supplies. Bring purification method, extra snacks, and all cash. Offline maps (OpenStreetMap apps work well) and a printed note of your lodging are useful.
Safety and etiquette: Weather changes fast. Respect local communities and sacred sites. Leave no trace—pack out trash. Stay on paths near geothermal areas. Spanish helps with independent travel and local interactions.
Tours vs. independent: All-inclusive tours from La Paz remove logistics headaches and are worthwhile for short visits or less confident travelers. Independent travel works well for acclimatized visitors with time, basic Spanish, and flexibility. Climbing requires specialized operators.
Duration: 2–4 days allows a good sample (hot springs, day walks, wildlife, culture) with recovery time. Add more for trekking or climbing attempts.
Health and extras: Coca tea is widely available for mild altitude symptoms. Bring any personal medications. Fuel or transport disruptions can occasionally affect schedules in Bolivia—confirm the day before.

Sajama rewards those prepared for its remoteness and thin air with exceptional landscapes, quiet wildlife encounters, geothermal soaks under volcanoes, and a sense of the high Andes that mass-tourism circuits rarely match. Prioritize acclimatization, dry-season timing, and realistic pacing for the best experience.

 

Geography

Location and Setting
The park sits on the western edge of the Bolivian Altiplano (high plateau), in the Central Andean dry puna ecoregion. It lies near the Chilean border and directly adjoins Chile’s Lauca National Park to the west. Administratively it spans the municipalities of Curahuara de Carangas and Turco. Coordinates are centered around 18°05′S 68°55′W. Elevations range mainly from about 4,000–4,200 m on the open plateau up to the 6,542 m summit of Nevado Sajama, Bolivia’s highest peak. The village of Sajama (the main base) sits near 4,240 m.
The broader geographic context is the western (volcanic) branch of the Andes, or Cordillera Occidental. Here the Andes split into two chains separated by the high Altiplano; Sajama occupies the western side of this plateau.

Topography and Major Landforms
The landscape is dominated by the isolated, snow-capped cone of Nevado Sajama (also called Chak Xaña in Aymara), a dormant stratovolcano that rises roughly 2.2 km above the surrounding terrain to 6,542 m (21,463 ft). It has a relatively symmetrical conical form, an ice cap above about 5,600 m, and glacially modified valleys and moraines on its flanks. Secondary summits and parasitic cones (including Cerro Huisalla around 5,031 m) occur nearby. Below about 4,200 m the slopes are covered with volcanic ash, lava fragments, and alluvial deposits.
Across or near the border are the twin Payachata volcanoes—Parinacota (about 6,348 m) and Pomerape (about 6,282 m)—creating one of the most dramatic high-Andean skylines. Other peaks in or near the park include Acotango and additional volcanic cones. The terrain mixes broad, open puna grasslands, rocky volcanic slopes, bofedales (high-Andean wetlands), small lagoons, and geothermal areas. Glacial features from past ice ages, including moraines and rock glaciers, are visible at higher elevations.

Geology and Geothermal Features
Sajama is a composite volcano built of lava domes overlain by a stratovolcano of andesitic to rhyodacitic rocks, part of the Central Volcanic Zone driven by Nazca Plate subduction. It may sit within or near a buried older caldera. Dating indicates activity hundreds of thousands of years ago; the last eruption is not precisely known but is generally considered Pleistocene or possibly Holocene. Hot springs and geysers (such as those near Manasaya, Walla Keru/Juchusuma, and along rivers like the Junthuma) reflect residual geothermal heat, with water temperatures suitable for bathing in several developed or natural pools. These features are concentrated at lower elevations around the base of the volcanoes.

Hydrology
Drainage is limited and endorheic or directed toward the Salar de Coipasa system. Meltwater from Sajama’s ice cap and seasonal precipitation feed rivers such as the Sajama, Tomarapi, Sicuyani, and Huaythana, which ultimately join the Lauca River. High-elevation lagoons (including Laguna Isla and others near the Chilean side) and extensive bofedales (peat bogs and wet grasslands) store water and support vegetation in an otherwise arid setting. These wetlands are critical oases in the dry puna.

Climate
The climate is cold, dry, and high-Andean (semi-arid puna), with strong daily temperature swings and frequent frost year-round. Annual precipitation is typically low, on the order of 300–330 mm (concentrated in the summer wet season, roughly November–March), driven by easterly moisture from the Atlantic and summer convection. Winters are drier under westerly influence, though occasional cold outbreaks can bring snow. Mean annual temperatures near the village are around 4–5 °C; daytime highs in the sun can reach the mid-teens to low 20s °C, while nights routinely drop below freezing and can reach −20 °C or lower in winter. High solar radiation, strong winds, and thin air are constant features. The area is sensitive to El Niño variability, which tends to reduce summer rainfall.

Vegetation Zones and Ecosystems
Vegetation follows a strong elevational gradient on the dry puna:
Lower open grasslands and tholar (shrub) communities with grasses, cushion plants, and species such as Parastrephia.
Distinctive queñua (Polylepis tarapacana) woodlands on the slopes of Sajama and nearby hills. These form some of the highest forests on Earth, reaching up to about 5,200 m; the trees are short, widely spaced, and adapted to extreme cold and aridity. Protection of these forests was a primary reason for creating the park in 1939 (they had been heavily harvested for charcoal).
Higher zones dominated by frost-tolerant herbs, Azorella cushion plants (yareta), and sparse vegetation.
Wetland bofedales with specialized plants such as Distichia and sedges.
The park protects representative high-Andean dry puna ecosystems, including grasslands used by wild and domestic camelids.