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Lakes / California / Tuolumne County / Boundary Lake

Boundary Lake, California

48 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - California

SacramentoLos AngelesBoundary LakeTuolumne Co.

38.09 degrees N, 119.79 degrees W - Tuolumne County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.

How Boundary Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Little Bear LakeTuolumne0.6 mi25 acres
Spotted Fawn LakeTuolumne1.3 mi74 acres
Many Island LakeTuolumne1.3 mi48 acres
Big LakeTuolumne2.4 mi62 acres
Edith LakeTuolumne2.9 mi67 acres
Pingree LakeTuolumne3.2 mi25 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID66757177
CountyTuolumne
Lake TypeLake
Coordinates38.0883, -119.7896

Questions About Boundary Lake

How Big Is Boundary Lake?

Boundary Lake covers 48 acres in Tuolumne County, California.

What Is the Largest Lake in Tuolumne County?

Don Pedro Reservoir is the largest lake in Tuolumne County, at 10,980 acres.

Largest Lakes in California

#LakeCountySurface AreaMax Depth
1Salton SeaImperial233,096 acres-
2Lake TahoePlacer122,975 acres-
3Goose LakeModoc93,048 acres-
4Honey LakeLassen59,917 acres-
5Mono LakeMono45,124 acres-

All 1,147 California lakes ranked by surface area

Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 66757177). Verified October 30, 2026.