Alturas Lake is a spectacular alpine lake situated in the Sawtooth National Recreation Area in the Sawtooth Valley. Spanning from 21 miles south of Stanley to 30 miles northwest of Ketchum, Alturas Lake is the second-largest lake in the Sawtooth National Recreation Area with easy access along the northern shore, which also features several campgrounds and private camps. In the winter months, Alturas Lake has some of the best terrain and conditions for cross-country skiing and is home to one of two groomed Nordic trail systems in the Stanley Basin. Summer offers excellent fishing and birdwatching as well as hiking and mountain biking.

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