Holter Lake, Montana
3,667 acres
Surface Area
3,598.16 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Montana
46.95 degrees N, 111.97 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.
How Holter Lake Stacks Up
- The largest lake in Lewis and Clark County among those counted.
- About 51 miles from Great Falls, as the crow flies.
- 16 fish species on the FWP list for this lake.
Fish Species
Brook TroutBrown TroutBurbotCommon CarpFathead MinnowKokaneeLongnose SuckerMottled SculpinMountain WhitefishNorthern PikeRainbow TroutUtah ChubWalleyeWestslope Cutthroat TroutWhite SuckerYellow Perch
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID63167912
CountyLewis and Clark
Coordinates46.9478, -111.9656
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 63167912). Verified October 30, 2026.