Bureau of Reclamation, Montana.
Gibson Dam, the principal structure of the Sun River Project, is on the Sun River, 70 miles west of Great Falls, Montana. It is a concrete arch dam and contains 167,500 cubic yards of concrete. The reservoir, with 1,296 surface acres and 15 miles of shoreline, offers fair fishing for rainbow trout, cutthroat trout, and brown trout. Recreation is managed for Reclamation by the U.S. Forest Service as part of the Lewis and Clark National Forest which can be reached at 406-791-7700. Current Reservoir Levels
I-15 west of Great Falls to State Highway 21 to Augusta. County road to dam.
Recreation.gov is your gateway to explore America's outdoor and cultural destinations in your zip code and across the country. We provide tools and tips to discover new adventures through a one-stop shop for inspiration and ideation, trip planning, information sharing, and reservations. Find incredible places and experiences that help you bring home a story through Recreation.gov!