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Lakes / Montana / Pearson Reservoir

Pearson Reservoir, Montana

77 acres
Surface Area
3,798.2400000000002 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaPearson ReservoirFlathead Co.

48.08 degrees N, 114.88 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 Pearson Reservoir Stacks Up

Fish Species

Yellow Perch

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

Facts and Figures

Waterbody ID59705465
CountyFlathead
Coordinates48.0837, -114.8762

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 59705465). Verified October 30, 2026.