White Cloud Mountains White Cloud Mountains Highest point Peak Castle Peak Elevation 11,815 ft (3,601 m) Coordinates 44°02′22″N 114°35′07″W﻿ / ﻿44.039558°N 114.585266°W﻿ / 44.039558; -114.585266Coordinates: 44°02′22″N 114°35′07″W﻿ / ﻿44.039558°N 114.585266°W﻿ / 44.039558; -114.585266 Dimensions Length 25 mi (40 km) N/S Width 32 mi (51 km) E/W Area 461 sq mi (1,190 km2) Geography White Cloud Mountains Country United States State Idaho Parent range Rocky Mountains Bordering ranges Sawtooth Mountains and Boulder Mountains