Blue Rock Lake

For the Australian 'Blue Rock Lake' see Blue Rock Dam

Blue Rock Lake is a small alpine lake in Boise County, Idaho, United States, located in the Sawtooth Mountains in the Sawtooth National Recreation Area. There are no trails leading to the lake or the Goat Creek drainage.

Blue Rock Lake is in the Sawtooth Wilderness, and a wilderness permit can be obtained at a registration box at trailheads or wilderness boundaries. The Feather Lakes, Warbonnet Lake, and Little Warbonnet Lake are upstream of Blue Rock Lake.