Lakes / Montana / Bighorn Lake
Bighorn Lake, Lewis and Clark County, Montana
14 acres
Surface Area
About 50 ft
Max Depth (Approximate)
7,596.4800000000005 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Montana
47.19 degrees N, 112.61 degrees W - Lewis and Clark 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 - Bighorn Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map. Max depth is approximate, from state bathymetry.
How Bighorn Lake Stacks Up
- About 67 miles from Great Falls, as the crow flies.
- 1 fish species on the FWP list for this lake.
Fish Species
Yellowstone Cutthroat Trout
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID59469559
CountyLewis and Clark
Coordinates47.1882, -112.6055
Largest Lakes in Montana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Fort Peck Lake | Valley | 233,053 acres | - |
| 2 | Flathead Lake | Lake | 122,132 acres | About 380 ft |
| 3 | Canyon Ferry Lake | Broadwater | 32,773 acres | About 170 ft |
| 4 | Lake Koocanusa | Lincoln | 28,723 acres | - |
| 5 | Hungry Horse Reservoir | Flathead | 23,577 acres | - |
Sources: Montana Fish, Wildlife & Parks lake data (ID 59469559); Washington Dept. of Ecology bathymetry (approximate max depth). Verified October 30, 2026.