Breeches Lake
| Sunday Lake | |
|---|---|
| Lac Sunday (French) | |
Lac Breeches seen from route 263. | |
| Location | Arthabaska Regional County Municipality, Centre-du-Québec, Quebec, Canada |
| Coordinates | 45°54′36″N 71°28′13″W / 45.91°N 71.47028°W |
| Primary inflows | Discharge of Sunday Lake |
| Primary outflows | Rivière au Pin |
| Max. length | 3.2 kilometres (2.0 mi) |
| Max. width | 1.3 kilometres (0.81 mi) |
| Surface area | 2.47 kilometres (1.53 mi) |
| Average depth | 13 metres (43 ft) |
| Max. depth | 31 metres (102 ft) |
| Surface elevation | 354 metres (1,161 ft) |
| Frozen | End of December to beginning of March |
The Breeches Lake (in French: Lac Breeches) is located 24 km south of Thetford Mines, in the municipality of Saint-Jacques-le-Majeur-de-Wolfestown. It is located near the head of the rivière au Pin, in the southern watershed of the Bécancour River.