Lakes in Simcoe
38 named lakes in this region, 4 with detailed profiles and 11 with a depth survey.
| Lake | Area km² | Max depth m | Species | Clarity m |
|---|---|---|---|---|
| Lake Couchiching | 47.1 | 26 | 3.8 (2020) | |
| Orr Lake | 3.06 | 11 | 3.0 (2013) | |
| Little Lake | 2.25 | 5 | 11 | |
| Farlain Lake | 1.09 | 5 | 8 | 4.1 (2025) |