Stanley is a town in the Sawtooth Valley in Custer County, Idaho, United States. The population was 116 at the 2020 census; up from 63 in 2010. The center of population of Idaho in 2000 was located in Stanley.

The Sawtooth National Recreation Area (SNRA) is a national recreation area in central Idaho, United States that is managed as part of Sawtooth National Forest. The recreation area, established on August 22, 1972, is managed by the U.S. Forest Service, and includes the Sawtooth, Hemingway–Boulders, and Cecil D. Andrus–White Clouds wilderness areas. Activities within the 730,864-acre (2,957.70 km2) recreation area include hiking, backpacking, White water rafting, camping, rock climbing, kayaking, mountain biking, fishing, and hunting.