There are at least 68 named lakes and reservoirs in Powell County, Montana .
A lake is an area filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, and therefore are distinct from lagoons, and are also larger and deeper than ponds, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which are usually flowing. Most lakes are fed and drained by rivers and streams.
A reservoir is, most commonly, an enlarged natural or artificial lake, pond or impoundment created using a dam or lock to store water.
Powell County is a county in the U.S. state of Montana. As of the 2010 United States Census, the population was 7,027. Its county seat is Deer Lodge.
Powell Lake is a lake in the northern Sunshine Coast region of British Columbia, Canada, adjacent to the city of Powell River, which sits on the low rise of land forming a natural dam between the lake and the Strait of Georgia. The lake is fed by the Powell River and features Goat Island, a large mountainous island. It serves as a reservoir for a small hydroelectric generating station which was built to serve the city's paper mill, and also served as a water supply for that paper mill.
Lois Lake is a lake located on Vancouver Island, Canada, north of Great Central Lake, south of Elsie Lake.
Tin Cup Lake is an alpine lake in Custer County, Idaho, United States, located in the White Cloud Mountains in the Sawtooth National Recreation Area. No trails lead to lake but it can be accessed from Sawtooth National Forest trail 680.