Stanley Lake, Glacial lake in Sawtooth National Recreation Area, Idaho, US.

Stanley Lake is a glacial lake in Custer County, Idaho, at the base of the Sawtooth Mountains in the Sawtooth National Recreation Area. Its surface sits at 6,513 feet (1,985 m) above sea level, about seven miles west of the town of Stanley via a three-mile spur road from State Highway 21. The lake lies northeast of 9,860-foot McGown Peak and just south of the smaller Elk Peak, and drains via Stanley Lake Creek and Valley Creek into the Salmon River.

Stanley Lake lies in Custer County, Idaho, about seven miles west of the town of Stanley via a three-mile spur road from State Highway 21. It sits at 6,513 feet (1,985 m) at the base of the Sawtooth Mountains, northeast of 9,860-foot McGown Peak and just south of the smaller Elk Peak. The lake drains through Stanley Lake Creek and Valley Creek into the main Salmon River.

Stanley Lake lies about seven miles west of the town of Stanley, reached by a three-mile spur road from State Highway 21. Three campgrounds with nightly fees, a day-use area and a boat launch serve anglers and hikers, and trails leave from the shore. The lake drains through Stanley Lake Creek and Valley Creek into the main Salmon River.

The lake is reached by a three-mile (5 km) spur road off State Highway 21, about seven miles (11 km) west of Stanley. Three campgrounds with nightly fees, a day-use area, a boat launch and hiking trails serve visitors. The surface sits at 6,513 feet (1,985 m), so expect high-mountain conditions.

Stanley Lake Creek flows through Lady Face Falls before joining the lake, creating a direct link in a water system that eventually feeds into the Salmon River. This cascade adds a visual element to the arrival of water and connects the alpine setting to the broader river network below.