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Lakes / Montana / Cataract Lake

Cataract Lake, Stillwater County, Montana

12 acres
Surface Area
About 45 ft
Max Depth (Approximate)
8,780.56 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaCataract LakeStillwater Co.

45.28 degrees N, 109.90 degrees W - Stillwater 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 - Cataract Lake

0 ft - SurfaceMax Depth (Approx.) - About 45 ftA Typical Shallow Lake - Under 20 ft Deep

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

How Cataract Lake Stacks Up

Fish Species

Yellowstone Cutthroat Trout

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

Facts and Figures

Waterbody ID55321193
CountyStillwater
Coordinates45.2797, -109.8969

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 55321193); Washington Dept. of Ecology bathymetry (approximate max depth). Verified October 30, 2026.