There are at least 25 named lakes and reservoirs in Deer Lodge County, Montana.

Lakes Barker Lakes, , el. Daly Lake, , el. Emerald Lake, , el. Fourmile Basin Lakes, , el. Haggin Lake, , el. Hearst Lake, , el. Hicks Lake (Montana), , el. Lake of the Isle, , el. LaMarche Lake, , el. Lost Lakes, , el. Lower Seymour Lake, , el. Miller Lake, , el. Mudd Lake, , el. Oreamnos Lake, , el. Pintler Lake, , el. Rainbow Lake, , el. Tenmile Lakes, , el. Toomey Lake, , el. Twin Lakes, , el. Upper Seymour Lake, , el. Warren Lake, , el.

Reservoirs Georgetown Lake, , el. Silver Lake, , el. Storm Lake, , el. Thornton Lake, , el.

See also List of lakes in Montana

Notes