| Restoule River | |
| Pushpin Map: | Canada Ontario |
| Pushpin Map Caption: | Location of the mouth of the Restoule River in Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Name3: | Central Ontario |
| Subdivision Type4: | District |
| Subdivision Name4: | Parry Sound |
| Length: | 40km (30miles) |
| Source1: | Commanda Lake |
| Source1 Location: | Restoule, Patterson Township |
| Source1 Coordinates: | 46.0267°N -79.72°W |
| Source1 Elevation: | 222m (728feet) |
| Mouth: | French River |
| Mouth Location: | Hardy Township |
| Mouth Coordinates: | 46.1081°N -80.0175°W |
| Mouth Elevation: | 187m (614feet) |
| River System: | Lake Huron drainage basin |
The Restoule River is a river in Parry Sound District in Central Ontario, Canada.[1] It rises at Commanda Lake in geographic Patterson Township[2] at the community of Restoule. It then flows north into Restoule Lake then north into Stormy Lake at Restoule Provincial Park, at the end of Ontario Highway 534. It then heads west into geographic Hardy Township[3] to its mouth at the French River.
The total length of the river is about 40km (30miles). From Lennon Lake in Hardy Township to the mouth, the river forms a boundary of the Dokis 9 First Nations reserve.