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Lakes / Montana / Upper Stillwater Lake

Upper Stillwater Lake, Montana

592 acres
Surface Area
3,201.28 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaUpper Stillwater LakeFlathead Co.

48.59 degrees N, 114.64 degrees W - Flathead 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 Upper Stillwater Lake Stacks Up

Fish Species

Brook TroutBull TroutLake TroutLargescale SuckerLongnose SuckerMountain WhitefishNorthern PikeNorthern Pike MinnowRainbow TroutWestslope Cutthroat TroutYellow Perch

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

Facts and Figures

Waterbody ID67973446
CountyFlathead
Coordinates48.5878, -114.6375

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 67973446). Verified October 30, 2026.