| Glenns Lake | |
| Location: | Glacier National Park, Glacier County, Montana, US |
| Coords: | 48.9033°N -113.7925°W[1] |
| Lake Type: | Natural |
| Inflow: | Mokowanis River |
| Outflow: | Mokowanis River |
| Basin Countries: | United States |
| Elevation: | 4862feet |
| Pushpin Map: | Montana#USA |
| Pushpin Map Alt: | Location of Glenns Lake in Montana, USA. |
Glenns Lake is located in Glacier National Park, in the U. S. state of Montana. Glenns Lake is a long narrow lake located between Cosley Ridge and Whitecrow Mountain in the northeastern region of Glacier National Park. Mokowanis Lake is south of Glenns Lake.[2]