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Lakes / Montana / Rock Creek Lake

Rock Creek Lake, Montana

178 acres
Surface Area
5,907.28 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaRock Creek LakePowell Co.

46.42 degrees N, 112.95 degrees W - Powell 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 Rock Creek Lake Stacks Up

Fish Species

Brook TroutBrown TroutRainbow TroutWestslope Cutthroat Trout

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

Facts and Figures

Waterbody ID81309871
CountyPowell
Coordinates46.4205, -112.9483

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 81309871). Verified October 30, 2026.