| Bellacher Weiher | |
|---|---|
| Location | Bellach, Canton of Solothurn |
| Lake type | reservoir |
| Basin countries | Switzerland |
| Surface area | 3.3 ha |
| Max. depth | 2 m |
Bellacher Weiher (also spelt Bellacherweiher, Bellacher-Weiher, or Weier) is a small lake at Bellach in the Canton of Solothurn, Switzerland. Its surface area is 3.3 ha. The pond was formed in 1548. Lake and surroundings are a nature preserve.