LakeCount. Every Lake. Measured.

Lakes / Montana / Jackson Lake

Jackson Lake, Meagher County, Montana

35.6 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaJackson LakeMeagher Co.

46.50 degrees N, 111.08 degrees W - Meagher County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Montana Fish, Wildlife & Parks coordinates, not by eye. Schematic - not a survey map.

Facts and Figures

Waterbody ID120031092
CountyMeagher
Coordinates46.4998, -111.0816

Largest Lakes in Montana

#LakeCountySurface AreaMax Depth
1Fort Peck LakeValley233,053 acres-
2Flathead LakeLake122,132 acresAbout 380 ft
3Canyon Ferry LakeBroadwater32,773 acresAbout 170 ft
4Lake KoocanusaLincoln28,723 acres-
5Hungry Horse ReservoirFlathead23,577 acres-
Sources: USGS NHD lake data (ID 120031092). Verified October 30, 2026.