Willow Creek Dam

Willow Creek Dam offers fine fishing and water sports, plus excellent camping opportunities. Willow Creek Dam is an earthfill structure on Willow Creek about 15 miles southeast of Gibson Dam. In addition to storing water from Willow Creek, the reservoir is fed from the Sun River through the Willow Creek Feeder Canal. The structure is 93 feet high, has a crest length of 650 feet, and contain 275,000 cubic yards of material. An open spillway channel 700 feet wide at the ground surface has a capacity of 10,000 cubic feet per second. The outlet works tunnel run through the right abutment. The reservoir has a capacity of 32,400 acre-feet of water.