| John Hart Lake | |
| Coordinates: | 50.0461°N -125.3818°W |
| Type: | Reservoir |
| Inflow: | Campbell River |
| Outflow: | Campbell River |
| Area: | 362.6ha |
| Depth: | 12.2m (40feet) |
| Max-Depth: | 22.9m (75.1feet) |
| Volume: | 43046400m2 |
| Shore: | 27.84km (17.3miles) |
| Pushpin Map: | Vancouver Island |
John Hart Lake is a reservoir on Vancouver Island in British Columbia, Canada. The lake was created in 1947 when the John Hart Dam impounded the Campbell River,[1] and is the water source for the city of Campbell River.[2] The Campbell River flows from the lake at the John Hart Dam and via the John Hart generating station. The lake has an area of 362.6ha, with a mean depth of to a maximum of . The lake is named for John Hart, a Canadian politician who was the 23rd Premier of British Columbia.