| Type: | Wetland |
| Kabuyenge River | |
| Other Name: | Rivière Kabuyenge |
| Location: | Kirundo Province of Burundi |
| Coordinates: | -2.5245°N 30.3346°W |
| Pushpin Map: | Burundi |
Kabuyenge River (fr|Rivière Kabuyenge; -2.5245°N 30.3346°W) is a river in the northwest of Kirundo Province, Burundi.
The main tributary of the Kabuyenge River, the Kaduduri River, forms where the Rubirizi River is joined from the left by the Mirwa River.
The Kabuyenge River forms where the Nyabiho River from the left (west) joins the Kaduduri River from the right (east).The Kabuyenge flows in a generally north-northeast direction.After being joined from the left by the Gahahe River, the combined stream is called the Gacucu River, a right tributary of the Kanzigiri River.
The surroundings of Kabuyenge are mainly savannah.The area is densely populated, with 319 inhabitants per square kilometer.Savannah climate prevails in the area. The average annual temperature in the area is .The warmest month is August, when the average temperature is, and the coldest is January, with .Average annual rainfall is .The wettest month is March, with an average of of precipitation, and the driest is July, with of precipitation.
The Kabuyenge marsh lies on the boundary between the Commune of Busoni and the Commune of Bwambarangwe, and is north of the town of Mukenke.The Köppen climate classification is Aw: Tropical savanna, wet.The Kabuyenge Marsh and the Kabanga Marsh maintain the hydrological balance of Lake Kanzigiri.The United Nations Food and Agriculture Organization (FAO) had developed buffer zones around each of these marshes.
Clay is extracted from the Kabuyenge marsh by some households to make bricks for construction.A 2005 report stated that recent drought had forced the local people to use swampy areas for crops such as rice, sorghum, bananas and colocasia. There were rice crops upstream and downstream in the Kabanga and Kabuyenge marshes.The buffer zone of the Kabuyenge marsh was being destroyed over a length of about .