LakeCount. Every Lake. Measured.

Lakes / Montana / Margaret Lake

Margaret Lake, Park County, Montana

8 acres
Surface Area
About 20 ft
Max Depth (Approximate)
8,167.2 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaMargaret LakePark Co.

45.02 degrees N, 109.83 degrees W - Park 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.

Depth Profile - Margaret Lake

0 ft - SurfaceMax Depth (Approx.) - About 20 ft

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map. Max depth is approximate, from state bathymetry.

How Margaret Lake Stacks Up

Fish Species

Yellowstone Cutthroat Trout

Species recorded for this lake. Presence only - no abundance ratings.

Facts and Figures

Waterbody ID56787959
CountyPark
Coordinates45.0163, -109.8309

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: Montana Fish, Wildlife & Parks lake data (ID 56787959); Washington Dept. of Ecology bathymetry (approximate max depth). Verified October 30, 2026.