Rusumo Falls

Rusumo Falls is a waterfall located on the Kagera river on the border between Rwanda and Tanzania, part of the most distant headwaters of the river Nile. The falls are approximately 15 m high and 40 m wide and have formed on Precambrian schists and quartz–phyllites.

Although the falls themselves are not of significant height in comparison to other waterfalls, they have played an important part in the history of Rwanda because they form the only bridging point on the river in that area.

Source: Wikipedia