| Big Birch Lake | |
| Coords: | 45.7778°N -94.7512°W |
| Basin Countries: | United States |
| Area: | 2108acres |
| Max-Depth: | 810NaN0 |
| Pushpin Map: | Minnesota |
| Pushpin Map Alt: | Location of Big Birch Lake in Minnesota |
Big Birch Lake is a 21080NaN0 lake near the towns of Grey Eagle, Minnesota and St. Rosa, Minnesota. It has a maximum depth of 81feet. It is popular for watersports and fishing.