Shimba Hills National Reserve

Shimba Hills National Reserve

Location: 55 km (34 mi) South of Mombasa Map

Area: 193 km2 (74.33 sq mi)

Tel. 020 600 800

Open: 6am- 7pm daily

www.kws.org

 

Located in Kenya’s Kwale County, approximately 33 kilometers south of Mombasa and 15 kilometers from Diani Beach, Shimba Hills National Reserve is a 192.4-square-kilometer protected area renowned for its lush rainforest, diverse wildlife, and scenic beauty. Established in 1968 and managed by the Kenya Wildlife Service (KWS), the reserve is one of the largest coastal forests in East Africa, second only to Arabuko-Sokoke Forest. Nestled at an elevation of 120–450 meters above sea level, it offers a cooler, greener contrast to the coastal plains, with rolling hills, waterfalls, and panoramic views of the Indian Ocean. Home to the rare sable antelope, over 700 elephants, and a rich array of flora and fauna, Shimba Hills is a biodiversity hotspot and a key destination for eco-tourism, hiking, and cultural exploration in Kenya’s coastal region.

 

Geological and Environmental Context

Shimba Hills National Reserve lies within the Coastal Belt of Kenya, part of the ancient East African coastal plain formed millions of years ago. The hills are a dissected plateau of sandstone and shale, shaped by erosion and tectonic activity, with steep valleys and ridges carved by rivers. The reserve’s geology includes porous soils that support dense forest cover and act as a critical water catchment for the region, feeding rivers like the Marere, Pemba, and Mkurumudzi, which supply water to Mombasa and surrounding areas.

The reserve’s climate is tropical, with high humidity (80–90%) and temperatures ranging from 20–30°C. Annual rainfall averages 1,000–1,400 mm, concentrated in two wet seasons: the long rains (March–May) and short rains (October–November). The dry seasons (June–September, January–February) are ideal for visiting due to clearer trails and concentrated wildlife. The forest’s high humidity and shade create a distinct microclimate, supporting a rainforest ecosystem rare in East Africa.

The reserve encompasses diverse habitats:
Tropical Rainforest: Dense, evergreen forest with tall trees like Mvule (Milicia excelsa), Mshai (Afzelia quanzensis), and African teak (Chlorophora excelsa), interspersed with ferns, lianas, and epiphytes. This covers ~60% of the reserve.
Grasslands and Savanna: Open patches, particularly in the Longo-Magandi area, support grazers like sable antelopes and buffaloes.
Riverine Forests: Lush vegetation along rivers, with figs, palms, and Raphia palms.
Woodlands and Scrublands: Transitional zones with acacias and Combretum species.
Waterfalls and Rivers: Sheldrick Falls (21 meters) and Marere Springs are scenic highlights, fed by perennial streams.
The Mwaluganje River, flowing through the reserve, supports a dam that regulates water flow and attracts wildlife, while the forest’s role as a carbon sink and water catchment underscores its ecological importance.

 

Flora and Fauna

Shimba Hills is a biodiversity hotspot, hosting over 1,200 plant species, 280 bird species, 50 mammal species, and numerous reptiles, amphibians, and insects. Its isolation as a coastal forest fragment has preserved endemic and rare species, earning it recognition as a Key Biodiversity Area (KBA) and part of the Coastal Forests of Eastern Africa biodiversity hotspot.

Flora:
The forest contains 700–1,200 plant species, with 25% endemic or rare. Notable trees include Mvule (used for timber), African sandalwood (Osyris lanceolata), and Prunus africana (medicinal). Orchids (19 species), ferns, and epiphytes thrive in the canopy, while Cycads (Encephalartos hildebrandtii) are a rare find.
Grasslands feature Themeda triandra and Cynodon dactylon, supporting herbivores. Invasive species like Lantana camara are managed to protect native flora.

Mammals:
Sable Antelope: Shimba Hills is Kenya’s only stronghold for this rare antelope, with ~100–150 individuals in the Longo-Magandi area. Their distinctive curved horns and dark coats make them a flagship species.
Elephants: The reserve hosts 700–1,000 elephants, one of Kenya’s largest populations, though human-wildlife conflict is a concern due to nearby farms.
Predators: Leopards are common but elusive, hiding in dense forest. Lions are extinct in the reserve, but spotted hyenas, jackals, and rare servals and caracals are present.
Primates: Black-and-white colobus monkeys, vervet monkeys, blue monkeys, and bushbabies (galagos) are abundant, often seen in riverine forests.
Other Herbivores: Cape buffaloes, bushbucks, waterbucks, duikers (red and blue), suni antelopes, bushpigs, and warthogs roam the grasslands and forest edges.
Rare Mammals: The golden-rumped elephant shrew, an endemic insectivore, is a unique sighting, as are aardvarks and pangolins.

Birds:
With 280 species, Shimba Hills is an Important Bird Area (IBA). Notable species include the African crowned eagle, southern banded snake eagle (endangered, ~12 individuals), fischer’s turaco, green barbet, east coast akalat, spotted ground thrush, plain-backed sunbird, and chestnut-fronted helmet-shrike.
Migratory birds like the African pitta and basra reed warbler visit during October–April. The forest canopy and Mwaluganje River are prime birding spots.

Reptiles and Amphibians:
Snakes include gaboon vipers, forest cobras, green mambas, and pythons. Lizards like agamas, skinks, and monitor lizards are common, with chameleons in the forest understory.
Frogs, including the Shimba Hills reed frog, thrive in streams and pools, particularly during the wet season.

Insects:
Over 260 butterfly species, including the coastal purple tip and Shimba Hills blue, attract entomologists. Beetles, moths, and dragonflies support pollination, with ant colonies shaping forest soils.

 

Key Attractions and Activities

Shimba Hills National Reserve offers a serene, less crowded alternative to Kenya’s savanna parks, with a focus on hiking, birdwatching, and scenic exploration. Its proximity to Mombasa and Diani Beach makes it ideal for day trips or multi-day safaris. Key attractions and activities include:

Game Drives:
Morning (6:30–9 AM), afternoon (4–6:30 PM), or full-day drives cover 150 km of well-maintained gravel roads, offering sightings of sable antelopes, elephants, and buffaloes. Popular routes include the Longo-Magandi loop (for sables), Mwaluganje River circuit (for elephants), and Giriama Point road (for views). Guided drives with KWS rangers or lodge operators enhance wildlife spotting.

Hiking and Nature Walks:
Guided walks (with armed KWS rangers) explore forest trails, waterfalls, and viewpoints. Key trails include:
Sheldrick Falls Trail (2 km, 45 minutes): A scenic hike to a 21-meter waterfall, best during the wet season. Swimming is possible in the pool below.
Pengo Hill Trail (3 km, 1–2 hours): Leads to the reserve’s highest point (450 m) with views of the Indian Ocean and Usambara Mountains.
Marere Forest Trail (1–2 km): A shaded walk to Marere Springs, a historic water source with giant fig trees.
Night walks, arranged by lodges, reveal bushbabies, owls, and glowing fungi.

Birdwatching:
The forest’s canopy and riverine areas are ideal for spotting rare species like the southern banded snake eagle and fischer’s turaco. Guided birding tours, available through Shimba Lodge or KWS, target forest and grassland species. Early mornings (6–8 AM) maximize sightings.

Waterfalls and Springs:
Sheldrick Falls: A 21-meter cascade named after conservationist David Sheldrick, accessible via a short hike. The falls are a refreshing stop, with a natural pool for swimming.
Marere Springs: A perennial spring with clear water, surrounded by ancient figs and palms. The nearby Marere Dam attracts elephants and antelopes.

Scenic Viewpoints:
Giriama Point: Offers panoramic views of the hills, forest, and distant ocean. Ideal for sunrise or sunset photography.
Pengo Hill: The reserve’s highest point, with vistas of the Shimba plateau and coastal plains.
Elephant Lookout: A hilltop platform for spotting elephant herds in the valley below.

Cultural Experiences:
The reserve borders Digo and Duruma communities, sub-groups of the Mijikenda. Cultural tours to nearby villages like Kwale or Lunga Lunga showcase Mijikenda dances, crafts (e.g., sisal baskets), and cuisine (e.g., coconut-based dishes). The Mwaluganje Community Conservancy, adjacent to the reserve, offers insights into local conservation efforts.

Photography:
The reserve’s misty forests, cascading falls, and sable antelopes provide stunning photo opportunities. The euphorbia-like Cycads and golden-hour views from Giriama Point are iconic. Macro photography captures butterflies, orchids, and elephant shrews.

Mwaluganje Elephant Sanctuary:
Adjacent to the reserve, this 36 km² sanctuary (established 1995) protects ~150 elephants and offers game drives and cultural tours. It’s a quieter alternative to the reserve, with views of the Mwaluganje River and community-run initiatives.

 

Conservation and Challenges

Shimba Hills National Reserve is a critical conservation site, protecting one of East Africa’s last coastal rainforests and its flagship species, the sable antelope. However, it faces significant challenges:

Human-Wildlife Conflict: Elephants frequently raid crops in nearby villages, leading to retaliatory killings. The reserve’s partial fencing (100 km completed by 2020) reduces conflicts, but gaps remain. The Mwaluganje Elephant Sanctuary mitigates this through community benefits.
Deforestation and Encroachment: Illegal logging, charcoal burning, and farmland expansion threaten the forest, particularly in unfenced areas. The forest’s size has shrunk from 300 km² historically to 192 km².
Poaching: Sable antelopes and elephants are targeted, though KWS patrols and community scouts have reduced incidents. The golden-rumped elephant shrew is vulnerable to habitat loss.
Invasive Species: Lantana camara and Maesopsis eminii compete with native plants, requiring manual removal.
Climate Change: Erratic rainfall and prolonged droughts stress water sources, affecting wildlife and river flows. Flooding during heavy rains (e.g., 2019) damages trails.

Conservation efforts include:
Sable Antelope Protection: KWS monitors the population, with breeding programs to boost numbers. The Longo-Magandi area is a designated sanctuary.
Elephant Management: Fencing, community compensation, and the Mwaluganje Sanctuary reduce conflicts. GPS tracking monitors elephant movements.
Reforestation: KWS and NGOs like the Shimba Hills Conservation Project plant native trees and remove invasives.
Community Engagement: The Kwale Community-Based Conservation Programme trains locals as guides, funds schools, and promotes eco-tourism. Revenue from gate fees (~USD 1 million annually pre-COVID) supports these initiatives.
Biodiversity Research: The National Museums of Kenya and World Wide Fund for Nature (WWF) study rare species, informing global coastal forest conservation.

 

Cultural and Historical Significance

Shimba Hills is steeped in Mijikenda culture, with the Digo and Duruma viewing the forest as a spiritual site. Sacred groves, known as Kaya forests, are used for rituals and are UNESCO World Heritage Sites (e.g., Kaya Shimba, 5 km from the reserve). The forest’s name, “Shimba,” derives from a Mijikenda term meaning “lion” or “hill,” reflecting its wildlife and topography. Local folklore tells of forest spirits and hidden caves, adding mystique.

Historically, the hills were a refuge for Mijikenda communities during 19th-century slave raids and colonial conflicts. British colonialists logged the forest for timber, reducing its size, but conservation efforts since the 1960s have prioritized its protection. The reserve’s proximity to Mombasa’s tourism hub has made it a cultural bridge, blending coastal Swahili and inland Mijikenda heritage.

 

Visiting Shimba Hills National Reserve

Access:
By Road: From Mombasa (33 km, 1–1.5 hours), take the A14 to Kwale, then a 10 km gravel road to the Main Gate (Kidongo). From Diani Beach (15 km, 30–45 minutes), the C106 leads to the Kwale Gate. 4WD is recommended during the wet season; 2WD suffices in the dry season. Matatus from Mombasa or Diani to Kwale, followed by a boda-boda, are budget options.
By Air: Flights from Nairobi’s Wilson Airport or Mombasa’s Moi International Airport to Ukunda Airstrip (20 km from Diani) take 15–45 minutes, followed by a road transfer. Charters can land at the reserve’s Shimba Airstrip.
By Ferry: From Mombasa, the Likoni Ferry crosses to Diani, reducing road time for coastal visitors.

Best Time to Visit:
Dry Seasons (June–September, January–February): Clear trails, abundant wildlife, and cooler temperatures. Sable antelopes and elephants are easier to spot.
Wet Seasons (March–May, October–November): Lush greenery, active waterfalls, and migratory birds, but muddy roads and leech risks require 4WD and preparation.

Entry Fees:
Paid via the KWS e-Citizen platform (https://kws.ecitizen.go.ke) using M-Pesa, Airtel Money, or cards. Non-residents pay ~USD 22 (adults), USD 13 (children); Kenyan residents pay ~KSh 300–600. Guide fees (~KSh 1,000–2,000) and camping fees (~USD 15–20) apply. Mwaluganje Sanctuary charges separately (~USD 15–20).

Accommodation:
Inside the Reserve:
Shimba Hills Green Lodge (KWS): Mid-range bandas with forest views, self-catering or full-board (~USD 50–100/night).
Shimba Rainforest Lodge: Budget cottages near Sheldrick Falls, with basic amenities (~USD 30–60/night).
KWS Campsites (Marere, Ocean View): Basic, with showers and firepits (~USD 15–20/night).

Nearby:
Diani Beach: Luxury options like Baobab Beach Resort, Leopard Beach Resort (~USD 100–300/night) or budget guesthouses (~USD 20–50/night).
Mwaluganje Sanctuary: Mwaluganje Elephant Camp, with tented rooms (~USD 80–150/night).
Kwale: Basic lodges like Shimba Hills Lodge (~USD 20–40/night).

Activities and Tips:
Book guided walks or drives through KWS or lodges for safety and expertise.
Bring binoculars, insect repellent, sturdy boots, and a raincoat (wet season). Leech socks are advised for forest hikes.
Visit Sheldrick Falls early to avoid crowds; swim only with a guide’s approval.
Check road conditions during rains; 4WDs are safer for remote trails.
Combine with coastal attractions: Diani Beach (snorkeling), Wasini Island (dolphin tours), or Mwaluganje Sanctuary (elephants).
Respect Mijikenda sacred sites; ask permission before photographing locals.

 

Scientific and Global Impact

Shimba Hills is a vital research site for coastal forest ecology, sable antelope conservation, and elephant behavior. Studies by the Kenya Forestry Research Institute (KEFRI) and African Wildlife Foundation (AWF) monitor forest regeneration and rare species, informing global strategies for fragmented ecosystems. The reserve’s role as a water catchment supports Mombasa’s water security, while its carbon sequestration mitigates climate change.

Globally, Shimba Hills’ sable antelope population and coastal rainforest make it a conservation priority, drawing ~50,000 visitors annually (pre-COVID) and contributing ~USD 2 million to Kenya’s economy. Its proximity to Mombasa positions it as a model for integrating coastal tourism with wildlife conservation, as seen in partnerships with Diani’s eco-lodges. The reserve’s challenges, particularly human-wildlife conflict, highlight the need for community-driven solutions, a lesson for other tropical forest reserves.