| Three Island Lake | |
| Coords: | 43.9505°N -115.0622°W |
| Length: | 0.22miles |
| Width: | 0.13miles |
| Elevation: | 8615feet |
| Islands: | 3 |
| Pushpin Map: | Idaho#USA |
| Pushpin Map Alt: | Location of Three Island Lake in Idaho, USA. |
Three Island Lake is a small alpine lake in Boise County, Idaho, United States, located in the Sawtooth Mountains in the Sawtooth National Recreation Area. The lake is accessed from Sawtooth National Forest trail 462.[1]
Three Island Lake is in the Sawtooth Wilderness, and a wilderness permit can be obtained at a registration box at trailheads or wilderness boundaries. Benedict Lake is downstream of Three Island Lake while Low Pass Lake is just over the pass to the southeast.