Ikpoba River

Ikpoba River is a waterway in southern Nigeria, traversing Edo State and providing resources for the inhabitants of Benin City and nearby areas. Rising from the Ishan Plateau, the river flows through Benin City and drains a basin area of approximately 922 km2 (356 sq mi). It supplies freshwater, generates hydroelectric power, and supports agricultural irrigation. The river's hydrology is influenced by seasonal rainfall variations. Baseflow contributes about 56% of its total discharge, while the remaining 44% comes from overland flow. In its upper sections, the river exhibits a dendritic drainage pattern and is sustained by groundwater from the Benin Formation, ensuring a relatively consistent flow throughout the year. Studies have detected heavy metals like cadmium, lead, and mercury, raising concerns over industrial and domestic waste pollution. Beyond its environmental importance, the Ikpoba River holds historical and cultural significance. Since the 15th century, it has been considered a spiritual guardian of Benin City, especially after Oba Ewuare the Great was believed to have fortified it against external threats. Over time, the river has become an object of religious reverence and is often worshipped during times of crisis. Its name is embedded in the traditions of the Bini people. An infrastructure on the river is the Ikpoba Dam, initially impounded in 1975 and official

Flows through: Nigeria.

River data from Wikidata (CC0); lengths normalised to a common unit.