List of lakes of Montana


There are at least 3223 named lakes and reservoirs in Montana. The following list contains lists of lakes and reservoirs in Montana by county.
A lake is a terrain feature, a body of liquid on the surface of a world that is localized to the bottom of basin. Another definition is a body of fresh or salt water of considerable size that is surrounded by land. On Earth a body of water is considered a lake when it is inland, not part of the ocean, is larger and deeper than a pond.
A reservoir is an artificial lake used to store water.
Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such a brickwork or cast concrete.

Lists of Montana lakes