Toxaway Lake, Idaho - Toxaway is a relative easy, yet steady, 7 mile hike of constant elevation gain. Pettit Lake is a lovely alpine lake south of Stanley in the heart of the Sawtooth Mountains. Camp sites are available. Trails beginning at Pettit Lake that take hikers into the Sawtooth Mountains include the Toxaway Lake Trail, an 18 mi. round trip hike with breathtaking views.