Reservoir · Ivory Coast
Lake Kossou
Reservoir in Ivory Coast
- Area
- 500km²
- Average depth
- 55m
- Elevation
- 185m a.s.l.
- Shoreline
- 875km
- Volume
- 27.7km³
Lake Kossou is a reservoir in Ivory Coast. It covers 500 km². On average it is 55 m deep. Its surface lies 185 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Kossou?
The water is warmest in August, around 29 °C at the surface, and coldest in January, around 26 °C. The surface averages 20 °C or more from January to December: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 34 °C on average in February and 29 °C in July. The driest month is January (14 mm of rain), the wettest June (199 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (48 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | 26 | 26 | 34 | 19 | 14 | 4 | 6.8 | 8 |
| February | 26 | 27 | 34 | 22 | 57 | 12 | 6.3 | 8 |
| March | 27 | 27 | 33 | 23 | 108 | 24 | 6.5 | 9 |
| April | 27 | 28 | 32 | 23 | 131 | 27 | 6.7 | 9 |
| May | 28 | 28 | 31 | 23 | 152 | 28 | 6.5 | 8 |
| June | 28 | 28 | 29 | 22 | 199 | 28 | 4.8 | 9 |
| July | 28 | 29 | 29 | 21 | 122 | 24 | 3.7 | 10 |
| August | 29 | 29 | 30 | 21 | 103 | 23 | 3.3 | 10 |
| September | 28 | 29 | 29 | 22 | 144 | 27 | 4.0 | 8 |
| October | 28 | 28 | 30 | 22 | 142 | 28 | 5.4 | 7 |
| November | 27 | 27 | 31 | 22 | 71 | 20 | 5.9 | 7 |
| December | 26 | 27 | 33 | 20 | 26 | 8 | 6.2 | 7 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 3.8 years before flowing out.
- Its catchment drains 32,819 km² of land.
- About 229 m³ of water flow out every second, on average.
- Its shoreline is 11.0 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Lake Kossou
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- —campsites
- —boat hire and water-sport clubs
- —marinas and slipways
- —ferry piers
- 1viewpoints
Kossou Dam
- —hotels, B&Bs and chalets
- —fishing spots
- —restaurants and cafés
Towns on the shore
- Angovia5,680 people
- Kanouan5,611 people
- Allahou-Bazi4,767 people
- Dieviessou4,166 people
- Konsou2,837 people
- Assuikro1,831 people
- Atrénou1,400 people
- Bokabo1,354 people
Nearest airport with scheduled flights: Bouaké Airport (BYK), 88 km in a straight line.
Car hire at ABJ airport (Abidjan)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | 33.9 | 34.0 | 32.6 | 31.6 | 30.6 | 29.1 | 28.8 | 29.5 | 29.3 | 29.8 | 30.9 | 32.6 |
| 2020 | −0.4 | +1.5 | −0.8 | −0.6 | +0.1 | ±0.0 | −0.2 | +0.1 | −0.4 | −0.7 | −0.5 | −0.4 |
| 2021 | −0.3 | ±0.0 | −0.5 | −0.4 | +0.8 | +0.3 | −0.1 | −0.9 | −0.5 | −0.4 | −0.8 | −0.7 |
| 2022 | −0.9 | +1.1 | −0.4 | −0.2 | −1.0 | −0.2 | −0.3 | −0.9 | −1.5 | −0.8 | −1.4 | −2.9 |
| 2023 | −3.0 | −1.9 | −1.6 | −0.3 | −0.2 | −0.3 | +0.1 | −0.6 | ±0.0 | −0.3 | −0.6 | −0.8 |
| 2024 | +0.3 | +1.3 | +0.5 | +0.2 | +1.2 | +1.1 | +2.2 | +2.0 | +1.8 | +0.1 | +2.2 | +2.8 |
| 2025 | +1.7 | +1.9 | +1.4 | +2.4 | +2.4 | +1.8 | +3.3 | +4.0 | +2.3 | +1.2 | +1.5 | +0.9 |
+1 warmer than usual −1 cooler than usual
Burkina FasoAbout these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q267679) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.
