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Lakes / Montana / Anchor Lake

Anchor Lake, Beaverhead County, Montana

20 acres
Surface Area
9,147 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaAnchor LakeBeaverhead Co.

45.43 degrees N, 113.00 degrees W - Beaverhead 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 Anchor Lake Stacks Up

Fish Species

Yellowstone Cutthroat Trout

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

Facts and Figures

Waterbody ID49981592
CountyBeaverhead
Coordinates45.4338, -113.0016

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 49981592). Verified October 30, 2026.