| Salmon River | |
| Pushpin Map: | Canada Southern Ontario |
| Pushpin Map Caption: | Location of the mouth of the Salmon River in southern Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Type4: | Counties |
| Length: | 75km (47miles) |
| Source1: | Kennebec Lake |
| Source1 Location: | Central Frontenac, Frontenac County |
| Source1 Coordinates: | 44.7333°N -76.9642°W |
| Source1 Elevation: | 198m (650feet) |
| Mouth: | Lake Ontario |
| Mouth Location: | Tyendinaga, Hastings County |
| Mouth Coordinates: | 44.1769°N -77.2508°W |
| Mouth Elevation: | 75m (246feet) |
| River System: | Great Lakes Basin |
The Salmon River is a river in Ontario, Canada. The river flows 135km (84miles) south from about 200 metres south of Mazinaw Lake into Kennebec Lake near the community of Arden, part of Central Frontenac, Frontenac County, through a chain of small lakes and through part of Lennox and Addington County to the Bay of Quinte on Lake Ontario near the community of Shannonville, part of Tyendinaga, Hastings County. The watershed is about 227,579 acres (92,100 hectares) of which 65,524 acres is forested.[1] [2]