- WATER SPORTS
Lake Elwell, MT
Bureau of Reclamation
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
Address:Bureau of Reclamation
Marias / Milk Rivers Division Office
PO Box 220
Directions:Site is about 18 miles southwest of Chester, Montana.