Hidden Lake (Sawtooth Wilderness)

Hidden Lake is an 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 154.

Hidden Lake is in the Sawtooth Wilderness, and a wilderness permit can be obtained at a registration box at trailheads or wilderness boundaries. Mount Cramer, the second highest point in the Sawtooth Mountains rises to the northeast of Hidden Lake.