Niokolo-Koba — hippos, lions and the Gambia river in the dry season
Hippopotamus (around 6,000), West African lion, chimpanzee (Mont Assirik), elephant (few), buffalo, roan, Derby eland; Abyssinian ground hornbill, spur-winged geese, Egyptian plover on the river. Parc National du Niokolo-Koba, Tambacounda / Kédougou, Senegal.
Best time: 1 Feb – 30 Apr (February to April). Where: Simenti – hôtel and river hide, Dar Salam entrance (N7), Mont Assirik (Senegal). Time of day: Hippos grunt through the night and loudest in the hour before dawn.
- Guide, ranger or boat needed
- Entry fee
- Binoculars helpful
- Sound 4/5
Open it in the interactive calendarSunrise and sunset listening times for the day you pick, and the map.
When is the best time?
Peak: 1 Feb – 30 Apr. February to April, when animals concentrate on the Gambia river pools and the grass is burnt; park tracks close in the rains (roughly July–November)
Active from 1 Dec to 31 May (December to May) in a typical year.
Time of day
Hippos grunt through the night and loudest in the hour before dawn; lions roar most between about 22:00 and dawn; the river chorus of ground hornbills and geese from first light
- River night: sunset → 1 h after sunrise
What will you hear?
Hippo pods bellowing on the Gambia river below the Simenti terrace, lions roaring across the dry savanna, hyenas, and at dawn the booming of ground hornbills and the calls of spur-winged geese and Egyptian plovers on the sandbars.
Binoculars?
Binoculars helpful. Hippos are below the Simenti hide; binoculars for the river sandbars by day, lions and hyenas are heard not seen. Thermal imager useful at night.
Where to go
- Simenti – hôtel and river hide — The park's lodge on the Gambia river with a hide over the hippo pool; the standard base. Map
- Dar Salam entrance (N7) — Park gate on the Tambacounda–Kédougou road; fees and the compulsory guide. Map
- Mont Assirik — Rocky massif in the south-east with the park's chimpanzees; long 4x4 day from Simenti. Map
How to go on your own, and what it costs
Park rule: a park guide in every vehicle and no walking unaccompanied; you need your own 4x4 (or hire one in Tambacounda). Cheapest legal way: drive to Dar Salam, pay entry, vehicle and the daily park-guide fee at the gate, and camp or stay at Simenti.
Cost: Entry about 2,000 CFA per person per day, vehicle fee, and a park guide about 10,000 CFA per day (recent reports) — check current prices.
Free or no-guide alternative: The public N7 road crosses the park between Dar Salam and the Kédougou side: hippos and the dawn river chorus are heard free from the Gambia river bridge at Wassadou, just outside the park boundary, where the riverbank overlooks a hippo pool.
Who runs access
- Niokolo-Koba park guides (DPN, Dar Salam gate) (park authority) — Compulsory guide; 4x4 not provided.
Field-recording notes
Dry, hot and dusty (40°C by March), with the harmattan haze; nights are the working hours. Simenti's generator and the lodge are the noise sources — walk to the hide or ask the guide for a night stop on the river track (a park guide must be with you at all times; no walking without one). Bush fires are lit deliberately in the dry season. World Heritage site removed from the danger list in 2024 but poaching patrols are active; Kédougou's border areas carry advisories — check current travel advice.
Sources
Similar spectacles
Pendjari: lions, elephants and hippos at the dry-season poolsLions roaring across the Pendjari plain in the small hours — one of the few places in West Africa where this is still likely — hippos bellowing at Mare Bali, elephants at the pools, hyena whoops and a savanna dawn of francolins, ground hornbills and doves.
Hippos and the chimpanzee islands of the River Gambia National ParkHippo pods grunting and blowing on the river bends below Janjanbureh, chimpanzee pant-hoots carrying across the water from the Baboon Islands, baboon troops on the banks and fish eagles at every bend.
Outamba-Kilimi — hippos, chimps and the northern savanna at nightHippo pods on the Little Scarcies river, chimps and colobus in the gallery forests at dawn, ground hornbills booming, and savanna nights with nightjars and hyenas — Sierra Leone's oldest park and its emptiest.
Hippos on the Mono riverHippo laughing-grunts and blows from the river pools at dusk, carrying up the gallery forest, with nightjars and the fishing villages beyond.
Kainji Lake: hippos and savanna nights on the Oli riverHippo choruses on the Oli river pools at dusk, hyena and nightjars around the camp, baboon barks, and the wide Guinea-savanna dawn of francolins, hornbills and doves.
Saltwater hippos of OrangoHippo grunts and blows from a lagoon inside island forest, then the same animals walking past the village beach at night and surfacing in the sea in the morning — the world's only regularly marine hippos.
More: all spectacles in Senegal · hippos · lions · wildlife at night · Senegal in February · Senegal in March · April