Cornice Lake

Cornice Lake is an alpine lake in Custer County, Idaho, United States, located in the White Cloud Mountains in the Sawtooth National Recreation Area. The lake is in the Four Lakes Basin and is most easily accessed from Sawtooth National Forest trail 683.

Cornice Lake is just east of Patterson Peak and west of Castle and Merriam Peaks. It is downstream of Emerald, Rock, and Glacier Lakes and upstream of Quiet, Noisy, and Baker Lakes.