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Lakes / Massachusetts / Middlesex County / Walden Pond

Walden Pond, Middlesex County, Massachusetts

62 acres
Surface Area
100 ft
Max Depth
39 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Massachusetts

BostonWorcesterWalden PondMiddlesex Co.

42.44 degrees N, 71.34 degrees W - Middlesex County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Massachusetts Division of Fisheries and Wildlife coordinates, not by eye. Schematic - not a survey map.

Depth Profile - Walden Pond

0 ft - SurfaceAverage Depth - 39 ftMax Depth - 100 ftA Typical Shallow Lake - Under 20 ft Deep

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.

How Walden Pond Stacks Up

Fish Species

Largemouth BassSmallmouth BassChain PickerelYellow PerchWhite PerchBlack CrappieBluegillPumpkinseedRedbreasted SunfishYellow BullheadGolden Shiner

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

Lakes Nearby

LakeCountyDistanceSurface Area
Fairhaven BayMiddlesex1.2 mi71.91 acres
Flints PondMiddlesex1.3 mi161.8 acres
Farrar PondMiddlesex1.9 mi82.69 acres
White PondMiddlesex2.7 mi36.08 acres
Warners PondMiddlesex3.6 mi61.28 acres
Batemans PondMiddlesex4.0 mi25.7 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID129728385
CountyMiddlesex
Coordinates42.4390, -71.3400

Questions About Walden Pond

How Big Is Walden Pond?

Walden Pond covers 62 acres in Middlesex County, Massachusetts.

How Deep Is Walden Pond?

Walden Pond reaches 100 ft at its deepest. Its average depth is 39 ft.

What Fish Are in Walden Pond?

The MassWildlife lists Largemouth Bass, Smallmouth Bass, Chain Pickerel, Yellow Perch, White Perch, Black Crappie, Bluegill, Pumpkinseed, Redbreasted Sunfish, Yellow Bullhead and Golden Shiner for Walden Pond.

What Is the Largest Lake in Middlesex County?

Whitehall Reservoir is the largest lake in Middlesex County, at 620 acres.

Deepest Natural Lakes in Massachusetts

#LakeCountySurface AreaMax Depth
1Walden PondMiddlesex62 acres100 ft
2Cliff PondBarnstable206 acres96 ft
3Wallum LakeWorcester322 acres81 ft
4Onota LakeBerkshire653 acres72 ft
5Ashumet PondBarnstable220 acres69 ft

All 211 Massachusetts lakes ranked by depth

Largest Lakes in Massachusetts

#LakeCountySurface AreaMax Depth
1Quabbin ReservoirFranklin24,012 acres-
2Wachusett ReservoirWorcester4,041 acres-
3Assawompset PondPlymouth2,652.37 acres-
4Watuppa PondBristol1,758.37 acres-
5South Watuppa PondBristol1,460 acres23 ft

All 784 Massachusetts lakes ranked by surface area

Sources: Massachusetts Division of Fisheries & Wildlife lake data (ID 129728385). Verified October 30, 2026.