| Zumar Lake | |
| Location: | Kenora District, Ontario |
| Coords: | 52.3417°N -87.2042°W |
| Outflow: | Ekwan River |
| Basin Countries: | Canada |
| Length: | 3.7km (02.3miles) |
| Width: | 1.5km (00.9miles) |
| Elevation: | 239m (784feet) |
| Pushpin Map: | Ontario#Canada |
| Pushpin Map Alt: | Location of Zumar Lake in Ontario, Canada. |
Zumar Lake is a lake in Kenora District, Ontario, Canada, and the source of the Ekwan River, which flows into James Bay. It is about 3.7km (02.3miles) long and 1.5km (00.9miles) wide, and lies at an elevation of 239m (784feet). The lake is just 8km (05miles) northeast of part of the North Channel outlet from Attawapiskat Lake, the source of the Attawapiskat River, which also flows into James Bay.