Lakes / Montana / Grasshopper Reservoir
Grasshopper Reservoir, Montana
23 acres
Surface Area
3,099.6 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Montana
48.42 degrees N, 109.28 degrees W - Blaine 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 Grasshopper Reservoir Stacks Up
- About 111 miles from Great Falls, as the crow flies.
- 12 fish species on the FWP list for this lake.
Fish Species
Brassy MinnowBrook SticklebackCreek ChubFathead MinnowFlathead ChubIowa DarterLargemouth BassRainbow TroutShorthead RedhorseSpottail ShinerWestern Silvery MinnowWhite Sucker
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID137852983
CountyBlaine
Coordinates48.4156, -109.2837
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 137852983). Verified October 30, 2026.