The Mayanja River is located in Central Uganda.

The source of River Mayanja is located in Wakiso, with coordinates: Latitude:0.41000, 32.52000.

At its point of entry into River Kafu, the altitude is approximately 1,000 metres (3,300 ft).

The length of River Mayanja, is approximately 150 kilometres (93 mi) from source to end.

This article related to a river in Uganda is a stub.