Lower Two Medicine Lake

Lower Two Medicine Lake
Lower Two Medicine Lake seen from Spot Mountain
Lower Two Medicine Lake
Lower Two Medicine Lake
LocationGlacier National Park, Glacier County, Montana, US
Coordinates48°29′32″N 113°15′49″W / 48.49222°N 113.26361°W / 48.49222; -113.26361
TypeNatural/Dam
Primary inflowsTwo Medicine Creek
Primary outflowsTwo Medicine River
Basin countriesUnited States
Max. length2 miles (3.2 km)
Max. width0.40 miles (0.64 km)
Surface elevation4,882 ft (1,488 m)

Lower Two Medicine Lake is a natural freshwater lake in Montana, jointly owned by Glacier National Park and the Blackfeet Indian Reservation. A permit is necessary to fish in the eastern half, owned by the Blackfeet Indian Reservation.

The water level is regulated by Lower Two Medicine Dam, an earthen structure built in 1967 for flood control and irrigation storage. It is owned and operated by the Bureau of Indian Affairs.