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Lakes / Massachusetts / Deepest Natural Lakes in Massachusetts

Deepest Natural Lakes in Massachusetts

Ranked by maximum depth, from Massachusetts Division of Fisheries and Wildlife lake data. Only natural lakes are ranked - reservoirs and flowages are excluded.

#LakeCountySurface AreaMax Depth
1Walden PondMiddlesex62 acres100 ft
2Cliff PondBarnstable206 acres96 ft
3Wallum LakeWorcester322 acres81 ft
4Onota LakeBerkshire653 acres72 ft
5Ashumet PondBarnstable220 acres69 ft
6Sluice PondEssex45 acres69 ft
7Higgins PondBarnstable25 acres66 ft
8Sheep PondBarnstable152 acres64 ft
9Hoveys PondEssex36 acres64 ft
10Hamblin PondBarnstable119 acres63 ft
11White PondFranklin40 acres63 ft
12Pleasant PondEssex29 acres62 ft
13Sudbury ReservoirWorcester1,240 acres60 ft
14Horn PondMiddlesex116 acres60 ft
15Greenwater PondBerkshire92 acres60 ft
16Mares PondBarnstable28 acres57 ft
17Richmond PondBerkshire223 acres54 ft
18Laurel LakeBerkshire170 acres53 ft
19Peters PondBarnstable136 acres53 ft
20Norwich PondHampshire122 acres53 ft
21Otis ReservoirHampden1,036 acres52 ft
22Stockbridge BowlBerkshire398 acres52 ft
23Jenkins PondBarnstable87 acres51 ft
24Baddacook PondMiddlesex84 acres51 ft
25Fort PondWorcester79 acres51 ft
26Jamaica PondSuffolk65 acres51 ft
27Little PondPlymouth43 acres51 ft
28Ashland ReservoirMiddlesex173 acres50 ft
29Great Herring PondPlymouth424 acres47 ft
30Spot PondMiddlesex298 acres47 ft
31Mystic LakeBarnstable152 acres47 ft
32Baldpate PondEssex80 acres47 ft
33Shubael PondBarnstable57 acres47 ft
34Browning PondWorcester112 acres46 ft
35Leadmine PondWorcester60 acres46 ft
36Little Alum PondHampden76 acres45 ft
37Dug PondMiddlesex54 acres45 ft
38Crystal LakeWorcester39 acres44 ft
39Lake MattawaFranklin118 acres43 ft
40Brookline ReservoirSuffolk23 acres43 ft
41Grews PondBarnstable15 acres42 ft
42Tully LakeWorcester238 acres41 ft
43Pontoosuc LakeBerkshire500 acres40 ft
44East Waushacum PondWorcester190 acres40 ft
45Lake PearlNorfolk245 acres39 ft
46Big Sandy PondPlymouth149 acres39 ft
47Seymour PondBarnstable185 acres38 ft
48Bloody PondPlymouth98 acres38 ft
49Lake PentucketEssex39 acres38 ft
50Chicopee ReservoirHampden24 acres38 ft
51Manchaug PondWorcester375 acres37 ft
52Singletary PondWorcester345 acres37 ft
53Coonamessett PondBarnstable164 acres37 ft
54Lovells PondBarnstable56 acres37 ft
55Little Cliff PondBarnstable36 acres37 ft
56Spy PondMiddlesex102 acres36 ft
57Lout PondPlymouth18 acres36 ft
58Lake GarfieldBerkshire275 acres35 ft
59Lake SabbatiaBristol248 acres35 ft
60Fivemile PondHampden40 acres35 ft
61Great PondHampshire18 acres35 ft
62Lake AttitashEssex373 acres34 ft
63Russell PondPlymouth71 acres34 ft
64Wequaquet LakeBarnstable670 acres33 ft
65Stetson PondPlymouth95 acres33 ft
66Marys PondPlymouth88 acres33 ft
67Snake PondBarnstable88 acres33 ft
68Curlew PondPlymouth46 acres33 ft
69Lake SaltonstallEssex45 acres33 ft
70Heald PondMiddlesex29 acres33 ft
71Falls PondBristol112 acres32 ft
72Long PondPlymouth62 acres31 ft
73Whitehall ReservoirMiddlesex620 acres30 ft
74Chebacco LakeEssex213 acres30 ft
75Fresh PondMiddlesex66 acres30 ft
76Clamshell PondWorcester32 acres30 ft
77North PondWorcester234 acres29 ft
78Flax PondEssex71 acres29 ft
79Carbuncle PondWorcester13 acres29 ft
80Whitin ReservoirWorcester358 acres28 ft
81Garretts PondBarnstable41 acres28 ft
82Pilgrim LakeBarnstable39 acres28 ft
83Deep PondBarnstable28 acres28 ft
84Putnamville ReservoirEssex270 acres27 ft
85Demond PondWorcester122 acres27 ft
86Nabnasset PondMiddlesex142 acres26 ft
87Lawrence PondBarnstable138 acres26 ft
88Long Sought-for PondMiddlesex105 acres26 ft
89Loon PondPlymouth27 acres25 ft
90Blueberry PondBarnstable22 acres25 ft
91Ashmere LakeBerkshire287 acres24 ft
92Lake LashawayWorcester285 acres24 ft
93Glen Charlie PondPlymouth166 acres24 ft
94Lake WinthropMiddlesex137 acres24 ft
95Holland PondHampden70 acres24 ft
96College PondPlymouth50 acres24 ft
97Moores PondFranklin31 acres24 ft
98Cranberry PondHampden27 acres24 ft
99Buck PondHampden23 acres24 ft
100Queen Sewell PondBarnstable18 acres24 ft

Showing the top 100 of 211 counted lakes. Search above, or browse by county on the Massachusetts page, for the full inventory.

See also: Largest Lakes in Massachusetts

Source: Massachusetts Division of Fisheries and Wildlife lake data. Verified October 30, 2026. New lakes are added as their records are verified - rankings update with every addition.