Bureau of Reclamation, Montana.
Tiber Dam and its reservoir, Lake Elwell, are on the Marias River in north-central Montana. The dam and reservoir are features of the Lower Marias Unit of the Pick-Sloan Missouri Basin Project. The reservoir has 21,300 water surface acres, 21,244 land acres and 181 miles of shoreline. Major game fish include northern pike, walleye, and rainbow trout. Concrete boat ramps, campgrounds, marina, picnic shelters. Current reservoir levels
Site is about 18 miles southwest of Chester, Montana.
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!