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Lakes / Montana / Warren Lake

Warren Lake, Montana

18 acres
Surface Area
About 15 ft
Max Depth (Approximate)
8,467 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Montana

BillingsMissoulaWarren LakeDeer Lodge Co.

45.98 degrees N, 113.42 degrees W - Deer Lodge 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.

Depth Profile - Warren Lake

0 ft - SurfaceMax Depth (Approx.) - About 15 ft

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map. Max depth is approximate, from state bathymetry.

How Warren Lake Stacks Up

Fish Species

Rainbow Trout

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

Facts and Figures

Waterbody ID49977842
CountyDeer Lodge
Coordinates45.9763, -113.4177

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 49977842); Washington Dept. of Ecology bathymetry (approximate max depth). Verified October 30, 2026.