Hiking in Kenya
Volcano rims, forested escarpments and a walkable gorge sit within a couple of hours of Nairobi, and almost all of it starts above 2,000 metres. Kenya’s day hikes are short on distance and long on altitude, weather and the question of whether a ranger is needed.
Volcano rims, forested escarpments and a walkable gorge sit within a couple of hours of Nairobi, and almost all of it starts above 2,000 metres. Kenya's day hikes are short on distance and long on altitude, weather and the question of whether a ranger is needed.
Safaris That Include Hiking
A Guide to Hiking in Kenya
Kenya rewards walkers far more than its safari reputation suggests. Within two hours of Nairobi there are volcano rims, forested escarpments, a gorge cut through geothermal rock and a ridge line with the Rift Valley on one side and the city on the other. Most of it can be walked in a day, much of it without a vehicle, and almost all of it at an altitude that makes the first hour harder than the map implies.
What Hiking in Kenya Is Like
Three things shape the experience. The first is altitude: Nairobi sits near 1,795 metres and most of the popular trails start above 2,000 metres, so visitors arriving from sea level should expect a day or two of feeling slower than usual. The second is wildlife. Several of the best trails run through national parks where buffalo and, occasionally, elephant are present, which is why some of them require an armed ranger rather than merely recommending one. The third is the rain. Trail surfaces here are volcanic soil and clay, and the same path that is a pleasant walk in February is a skating rink in April.
Multi-day walking at altitude on Mount Kenya, Mount Elgon and the Aberdare peaks is covered under mountain climbing in Kenya. Gentle walking under canopy, with no summit involved, sits with forest walks in Kenya, and walks that exist to reach falling water are grouped under waterfall hiking in Kenya.
Mount Longonot, the Rift Valley Crater Walk
Longonot is the trail that converts people to Kenyan hiking. It is a stratovolcano south-east of Lake Naivasha rising to 2,777 metres, with a caldera more than a kilometre across and steep, lava-scored flanks. The walk goes up to the crater rim in a relentless, loose, ash-surfaced climb, then continues around the rim itself, which is where the trail earns its reputation: the circuit is undulating, exposed and considerably longer than it looks from the first viewpoint. The full ascent and rim circuit takes most parties eight to nine hours.
The crater floor holds its own forest, which is visible the whole way round and unreachable on the standard route. There is no water on the mountain and no shade on the rim, so the two practical rules are an early start and more water than seems reasonable. Longonot is a Kenya Wildlife Service national park in the scenic parks fee band.
Ngong Hills, the Ridge Above Nairobi
The Ngong Hills are a short chain of grassy summits on the western edge of Nairobi, walked as a traverse from the northern end near Ngong town to Kona Baridi in the south. It is a four to five hour undulating ridge walk past the radio masts, with the Rift Valley dropping away to the west and the city spread out to the east. Buffalo, dik-dik and porcupine live on the hills, and the Kenya Forest Service posts rangers who accompany walking groups. Taking one is the norm and is sensible; the hills are close enough to the city to have had security incidents in the past, and walking in a group with a ranger is how this trail is done.
Hell's Gate, Walking Among Wildlife
Hell's Gate National Park is the unusual one: a Kenyan national park where visitors are permitted to walk and cycle unescorted among plains game. The park's headline walk is Ol Njorowa Gorge, also called the Lower Gorge, a narrow slot of eroded volcanic rock with hot springs seeping from the walls, reached by descending from the rim and scrambling along the floor. It takes around an hour and a half and involves rock scrambling and wading. Fischer's Tower, a 25 metre volcanic plug near the Elsa Gate, is the landmark at the start of the park road and doubles as a climbing crag.
The gorge floods. It is a narrow drainage channel in a landscape where rain falls on high ground several kilometres away, and flash floods there have been fatal. Local guides know the signals; a party walking the gorge without one during or after rain anywhere in the catchment is taking a serious and avoidable risk.
Elephant Hill and the Aberdare Edge
Elephant Hill is the hard day walk of the Nairobi hinterland. The trail starts at Njabini Forest Station on the eastern side of the Aberdare range at around 2,500 metres and climbs roughly 18 kilometres there and back, gaining close to 1,200 metres to reach about 3,660 metres. It runs through farmland, then plantation, then indigenous forest, then bamboo, and finally onto open moorland where giant groundsel and tussock grass replace trees entirely. Most parties take seven to nine hours. The summit view takes in the Kinangop plateau, Lake Naivasha and Longonot on a clear day, and a great deal of cloud on most others.
Above Elephant Hill the same range carries Mount Satima at 4,001 metres and Mount Kinangop at 3,906 metres. Satima is a long expedition day rather than a casual hike and is treated with the high mountains.
Mount Suswa and Menengai, the Volcanic Alternatives
Mount Suswa is a shield volcano of 2,356 metres in the Rift Valley with a double caldera and an inner crater island, set inside a community conservancy run by the Maasai landowners. It is markedly quieter than Longonot, the walking is more varied, and the same hill holds an extensive lava cave system covered under caving in Kenya. Access arrangements go through the conservancy rather than through a national park gate.
Menengai, above Nakuru, is the largest volcanic caldera in Kenya and the second largest in Africa, roughly 12 kilometres by 8 kilometres, formed around eight thousand years ago, with a high point of 2,278 metres. A road reaches the rim viewpoint, which makes it the easiest of the volcanoes to see and the least satisfying to drive to; the walking routes down into and around the caldera are what justify a day there. Ol Donyo Sabuk, the forested 2,145 metre hill near Thika also known as Kilimambogo, is the other short option near the capital, with a road to the summit and buffalo in the forest that make a ranger escort the usual arrangement.
Where Hikers Go Beyond the Capital
The Chyulu Hills, between Amboseli and Tsavo West, are among the youngest volcanic hills on earth and offer rolling green ridge walking with Kilimanjaro on the southern horizon, usually arranged through the conservancies rather than independently. The Cherang'any Hills west of the Kerio Valley are commonly published as reaching 3,530 metres, though the Key Biodiversity Area factsheet puts their highest point, Cheptoket Peak, at 3,365 metres and are a chain of forested ridges with almost no visitor traffic. The Loita Hills south-east of the Maasai Mara are walked with Maasai guides over several days, which makes them as much a cultural itinerary as a hiking one. In the far west, Mount Elgon offers moorland walking well short of its summits.
| Trail | Summit or high point | Typical time | Character |
|---|---|---|---|
| Mount Longonot | 2,777 m | 8 to 9 hours | Steep ash climb, exposed rim circuit |
| Ngong Hills traverse | Ridge line | 4 to 5 hours | Undulating grassland, ranger escort |
| Ol Njorowa Gorge | Gorge floor | About 1.5 hours | Scrambling and wading, flood risk |
| Elephant Hill | About 3,660 m | 7 to 9 hours | Forest to bamboo to open moorland |
| Mount Suswa | 2,356 m | Half to full day | Caldera rim, community conservancy |
| Menengai Crater | 2,278 m | Half day | Caldera rim and floor routes |
When to Walk, and What to Take
Kenya's two rainy seasons run from roughly mid-March into June and from October into December. Trails are open year round, but the drier windows of January to mid-March and July to September give firmer ground, clearer summit views and shorter days spent wringing out socks. Equatorial sun at 2,500 metres burns faster than most visitors expect, and the same day can deliver heat on the ascent and cold wind on a rim.
- Two to three litres of water per person; almost none of these trails has a safe refill
- Sun hat, high-factor sunscreen and sunglasses, even on cloudy mornings
- A windproof layer for exposed rims and ridges
- Boots with real tread for volcanic ash, clay and wet rock
- An early start, which on Longonot and Elephant Hill means leaving Nairobi before dawn
Guides, Rangers and Getting to the Trailhead
Some Kenyan trails legally require an escort, some strongly recommend one, and on a few it makes no difference. Inside national parks where dangerous game is present, a Kenya Wildlife Service ranger is the mechanism. In forest reserves it is a Kenya Forest Service ranger or a community guide. On Ngong Hills and Ol Donyo Sabuk an escort is standard practice. Guides are also the people who know whether the gorge is safe to enter and whether the moorland track is under water, which is worth more than the escort function.
Public transport reaches the gate towns for Longonot, Ngong, Naivasha, Nakuru and Thika, but rarely the trailhead itself, and returning in the afternoon is the harder half of the problem. Day trips from Nairobi with transport included are the standard way visitors do these walks, and hiking clubs run scheduled group outings to most of the trails above on weekends.
Questions Hikers Ask
Which is the best day hike near Nairobi?
Mount Longonot for the drama and the crater rim, Ngong Hills for the shortest and most accessible ridge walk, and Elephant Hill for anyone who wants a genuinely hard day. All three can be done and returned from in a single day from the city.
Do I need a guide to hike in Kenya?
It depends on the trail. Inside parks with dangerous game a Kenya Wildlife Service ranger is required or strongly advised, on Ngong Hills a ranger escort is standard, and on community land the conservancy provides the guide. On a few well-used routes it is genuinely optional.
Is hiking in Kenya safe?
The real hazards are altitude, dehydration, sun, sudden weather and, in the gorges, flash flooding. Wildlife is managed by taking a ranger where one is required. Walking in a group and telling someone the plan covers most of the remainder.
What is the best time of year to hike?
January to mid-March and July to September, between the two rainy seasons. The trails stay open through the rains but the clay surfaces become slow and slippery, and summit views largely disappear.
Can hiking be combined with a safari?
Easily. Hell's Gate sits beside Lake Naivasha, the Chyulu Hills lie between Amboseli and Tsavo West, and Mount Longonot is on the main Rift Valley road, so any of them slots into a circuit without a long detour.
How fit do I need to be?
Ngong Hills suits anyone comfortable walking for half a day. Longonot's rim circuit and Elephant Hill both demand sustained uphill effort for several hours at altitude, and neither is a good introduction in the first two days after arriving from sea level.