Butun is a small river in the Yukamensky district of Udmurtia ( Russia ), the left tributary of the Lema .
| Butoon | |
|---|---|
| Characteristic | |
| Length | 9 km |
| Watercourse | |
| Source | |
| • Height | 230 m |
| • Coordinates | |
| Mouth | Lema |
| • Coordinates | |
| Location | |
| Water system | Lema → Lekma → Cheptsa → Vyatka → Kama → Volga → Caspian Sea |
| A country |
|
| Region | Udmurtia |
| Area | Yukamensky district |
 - source  - mouth | |
It originates on the Krasnogorsk Upland north of the village of Sapieha. The height of the source is 230 m above sea level. Flowing to the northeast, below the village of Mamonovo turns east. It flows into the Lema river near the village of Deryagi . At the mouth it forms a large pond, has several small tributaries. A road bridge was built near the mouth.