Lake Nokoué. Benin, Cotonou

Lake Nokoué

Benin, Cotonou

Lakes and reservoirs

Lake Nokoué is a lagoon located in southern Benin, near the city of Cotonou. It has an oval shape and covers an area of approximately 4,900 hectares. The lake receives freshwater inflows from the Ouémé and Sô rivers in the north and seawater from the Atlantic Ocean in the south, resulting in variable salinity levels. The average depth of the lake is about 1.5 meters, with water temperatures ranging between 27 and 29°C.

On the northern shore of the lake lies the village of Ganvié, known as the "Venice of Africa." This is the largest stilt village in Africa, founded in the 16th or 17th century by the Tofinu people seeking refuge from slave traders. Today, Ganvié has a population of around 20,000 and is a popular tourist attraction.

Lake Nokoué plays a vital role in the region's economy. Fishing is the primary occupation of local residents, especially during the low-water period from November to June. The lake hosts at least 78 species of fish, including members of the Cichlid, Clupeidae, and Penaeidae families, which constitute 85% of the catch. The annual fish production of the lake is estimated at 2 tons per hectare. Additionally, the lake is home to numerous bird species and otters, making it attractive to nature enthusiasts and birdwatchers.