Lakes / Rhode Island / Largest Lakes in Rhode Island

Largest Lakes in Rhode Island

Ranked by surface area, from USGS National Hydrography Dataset lake data. Flowages and reservoirs count here - size is size - and each is labeled in its own record.

#	Lake	County	Surface Area	Max Depth
1	Scituate Reservoir	Providence	2,340 acres	-
2	Worden Pond	Washington	1,097 acres	-
3	Flat River Reservoir	Kent	593 acres	-
4	Watchaug Pond	Washington	574 acres	-
5	Winnapaug Pond	Washington	476 acres	-
6	Green Hill Pond	Washington	423 acres	-
7	Quicksand Pond	Newport	402 acres	-
8	Harold E Watson Reservoir	Newport	379 acres	-
9	Diamond Hill Reservoir	Providence	341 acres	-
10	Pascoag Reservoir	Providence	338 acres	-
11	Moswansicut Pond	Providence	283 acres	-
12	Indian Lake	Washington	268 acres	-
13	Waterman Reservoir	Providence	261 acres	-
14	Arnold Mills Reservoir	Providence	256 acres	-
15	Barden Reservoir	Providence	244 acres	-
16	Woonsocket Reservoir Number Three	Providence	243 acres	-
17	Stillwater Reservoir	Providence	240 acres	-
18	Tiogue Lake	Kent	225 acres	-
19	Bowdish Reservoir	Providence	220 acres	-
20	Ponaganset Reservoir	Providence	220 acres	-
21	Nannaquaket Pond	Newport	198 acres	-
22	Nonquit Pond	Newport	198 acres	-
23	Chapman Pond	Washington	184 acres	-
24	Trustom Pond	Washington	174 acres	-
25	Smith and Sayles Reservoir	Providence	173 acres	-
26	Westconnaug Reservoir	Providence	173 acres	-
27	Quidnick Reservoir	Kent	172 acres	-
28	Coventry Reservoir	Kent	170 acres	-
29	Yawgoog Pond	Washington	166 acres	-
30	Wincheck Pond	Washington	152 acres	-
31	Yawgoo Pond	Washington	150 acres	-
32	Easton Pond	Newport	144 acres	-
33	Slatersville Reservoirs	Providence	144 acres	-
34	Olney Pond	Providence	137 acres	-
35	Slack Reservoir	Providence	137 acres	-
36	Belleville Pond	Washington	116 acres	-
37	Green End Pond	Newport	112 acres	-
38	Wilson Reservoir	Providence	109 acres	-
39	Oak Swamp Reservoir	Providence	107 acres	-
40	Blue Pond	Washington	102 acres	-
41	School House Pond	Washington	100 acres	-
42	Gardiner Pond	Newport	99 acres	-
43	Tucker Pond	Washington	97 acres	-
44	Georgiaville Pond	Providence	96 acres	-
45	Spring Lake	Providence	95 acres	-
46	Edgewood Lake	Providence	89 acres	-
47	Brickyard Pond	Bristol	85 acres	-
48	Hundred Acre Pond	Washington	85 acres	-
49	Warwick Pond	Kent	85 acres	-
50	Locustville Pond	Washington	82 acres	-
51	Carr Pond	Kent	81 acres	-
52	Pasquiset Pond	Washington	78 acres	-
53	Arnold Pond	Kent	75 acres	-
54	Wakefield Pond	Providence	75 acres	-
55	Mashapaug Pond	Providence	73 acres	-
56	Great Grass Pond	Kent	69 acres	-
57	Metcalf Wildlife Marsh	Washington	68 acres	-
58	Burlingame Reservoir	Providence	67 acres	-
59	Slatersville Reservoirs	Providence	65 acres	-
60	Tippecansett Pond	Kent	62 acres	-
61	Curran Lower Reservoir	Providence	60 acres	-
62	Sneech Pond	Providence	60 acres	-
63	Beach Pond	Washington	59 acres	-
64	Gorton Pond	Kent	57 acres	-
65	Sucker Pond	Providence	54 acres	-
66	Boone Lake	Washington	53 acres	-
67	Almy Reservoir	Providence	51 acres	-
68	Browning Mill Pond	Washington	50 acres	-
69	Card Ponds	Washington	50 acres	-
70	Tunipus Pond	Newport	50 acres	-
71	Wenscott Reservoir	Providence	50 acres	-
72	Keech Pond	Providence	49 acres	-
73	Simmons Upper Reservoir	Providence	48 acres	-
74	Lake Mishnock	Kent	47 acres	-
75	Secret Lake	Washington	46 acres	-
76	Whitford Pond	Kent	46 acres	-
77	Saugatucket Pond	Washington	45 acres	-
78	Simmons Lower Reservoir	Providence	45 acres	-
79	Alton Pond	Washington	44 acres	-
80	Breakheart Pond	Washington	44 acres	-
81	Larkin Pond	Washington	44 acres	-
82	Miscoe Lake	Providence	44 acres	-
83	Silver Lake	Washington	44 acres	-
84	Long Pond	Washington	42 acres	-
85	Scott Pond	Providence	42 acres	-
86	Lake Washington	Providence	41 acres	-
87	Tillinghast Pond	Kent	41 acres	-
88	Wickaboxet Pond	Kent	39 acres	-
89	Carbuncle Pond	Kent	38 acres	-
90	Pine Swamp Reservoir	Providence	38 acres	-
91	Wyoming Pond	Washington	38 acres	-
92	Robin Hollow Pond	Providence	36 acres	-
93	Spectacle Pond	Providence	36 acres	-
94	Randall Pond	Providence	34 acres	-
95	Wenscott Reservoir	Providence	34 acres	-
96	Eisenhower Lake	Kent	33 acres	-
97	Factory Pond	Washington	33 acres	-
98	Omega Pond	Providence	33 acres	-
99	Ashville Pond	Washington	32 acres	-
100	Reynolds Pond	Kent	32 acres	-

Showing the top 100 of 121 counted lakes. Search above, or browse by county on the Rhode Island page, for the full inventory.

Source: USGS National Hydrography Dataset lake data. Verified October 30, 2026. New lakes are added as their records are verified - rankings update with every addition.