There are at least 3,223 named lakes and reservoirs in Montana. The following list contains lists of lakes and reservoirs in Montana by county.
Lists of Montana lakes
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List of lakes of Beaverhead County, Montana •
List of lakes of Big Horn County, Montana •
List of lakes of Blaine County, Montana •
List of lakes of Broadwater County, Montana •
List of lakes of Carbon County, Montana •
List of lakes of Carter County, Montana •
List of lakes of Cascade County, Montana •
List of lakes of Chouteau County, Montana •
List of lakes of Custer County, Montana •
List of lakes of Daniels County, Montana •
List of lakes of Dawson County, Montana •
List of lakes of Deer Lodge County, Montana •
List of lakes of Fallon County, Montana •
List of lakes of Fergus County, Montana •
List of lakes of Flathead County, Montana (A–L) •
List of lakes of Flathead County, Montana (M–Z) •
List of lakes of Gallatin County, Montana •
List of lakes of Garfield County, Montana •
List of lakes of Glacier County, Montana •
List of lakes of Golden Valley County, Montana •
List of lakes of Granite County, Montana •
List of lakes of Hill County, Montana •
List of lakes of Jefferson County, Montana •
List of lakes of Judith Basin County, Montana •
List of lakes of Lake County, Montana •
List of lakes of Lewis and Clark County, Montana •
List of lakes of Liberty County, Montana •
List of lakes of Lincoln County, Montana •
List of lakes of Madison County, Montana •
List of lakes of McCone County, Montana •
List of lakes of Meagher County, Montana •
List of lakes of Mineral County, Montana •
List of lakes of Missoula County, Montana •
List of lakes of Musselshell County, Montana •
List of lakes of Park County, Montana •
List of lakes of Petroleum County, Montana •
List of lakes of Phillips County, Montana •
List of lakes of Pondera County, Montana •
List of lakes of Powder River County, Montana •
List of lakes of Powell County, Montana •
List of lakes of Prairie County, Montana •
List of lakes of Ravalli County, Montana •
List of lakes of Richland County, Montana •
List of lakes of Roosevelt County, Montana •
List of lakes of Rosebud County, Montana •
List of lakes of Sanders County, Montana •
List of lakes of Sheridan County, Montana •
List of lakes of Silver Bow County, Montana •
List of lakes of Stillwater County, Montana •
List of lakes of Sweet Grass County, Montana •
List of lakes of Teton County, Montana •
List of lakes of Toole County, Montana •
List of lakes of Treasure County, Montana •
List of lakes of Wheatland County, Montana •
List of lakes of Wibaux County, Montana •
List of lakes of Valley County, Montana (A–L) •
List of lakes of Valley County, Montana (M–Z) •
List of lakes of Yellowstone County, Montana ==Notes==