Lake Rweru located in Muhinga Town which is 123 kilometers from Bujumbura Town is comprising of 10,200 hectares shared between Burundi and Rwanda. It is the largest lake of the northern lakes with 80km2 of which 70% is located Burundi.
It is a shallow lake with varying depth of 2 to 4 meters only. The lake is surrounded by marshes and papyrus, it has floating islands which are unfortunately increasingly invaded by hyacinth.