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Lakes / Montana / Hilltop Lake

Hilltop Lake, Montana

2 acres
Surface Area
About 10 ft
Max Depth (Approximate)
9,862.960000000001 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaHilltop LakePark Co.

45.10 degrees N, 109.92 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 - Hilltop Lake

0 ft - SurfaceMax Depth (Approx.) - About 10 ft

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

Facts and Figures

Waterbody ID55322025
CountyPark
Coordinates45.0969, -109.9203

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 55322025); Washington Dept. of Ecology bathymetry (approximate max depth). Verified October 30, 2026.