| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pleasant Lake Stream | 43,770,796 | Middle Branch Grass River | 44.3575000000 | -74.9202777800 | Map | ||||||
| Tracy Brook (Middle Branch Grass River tributary) | 38,072,824 | Middle Branch Grass River | 44.5858333300 | -75.1430555600 | Map |