Lakes / New York / Sullivan County

Lakes in Sullivan County, New York

119 lakes counted in Sullivan County - the largest is Neversink Reservoir at 1,539 acres.

119

Lakes Counted

1,539 acres

Largest - Neversink Reservoir

120 ft

Deepest - Swinging Bridge Reservoir

Sullivan County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Neversink Reservoir	Sullivan	1,539 acres	-
2	Swinging Bridge Reservoir	Sullivan	889 acres	120 ft
3	Toronto Reservoir	Sullivan	833 acres	55 ft
4	Basher Kill Lake	Sullivan	805 acres	-
5	Rio Reservoir	Sullivan	422 acres	80 ft
6	Yankee Lake	Sullivan	407 acres	-
7	Lebanon Lake	Sullivan	358 acres	-
8	Swan Lake	Sullivan	326 acres	-
9	Wanaksink Lake	Sullivan	319 acres	-
10	Wolf Lake	Sullivan	300 acres	-
11	White Lake	Sullivan	280 acres	85 ft
12	Black Lake	Sullivan	237 acres	-
13	Saint Josephs Lake	Sullivan	235 acres	-
14	Lake Louise Marie	Sullivan	218 acres	-
15	Pleasure Lake	Sullivan	210 acres	-
16	Highland Lake	Sullivan	204 acres	-
17	Mohican Lake	Sullivan	188 acres	-
18	Tennanah Lake	Sullivan	180 acres	-
19	Kiamesha Lake	Sullivan	150 acres	-
20	Morningside Lake	Sullivan	130 acres	12 ft
21	Sackett Lake	Sullivan	127 acres	-
22	Mongaup Pond	Sullivan	122 acres	11 ft
23	Beaverdam Pond	Sullivan	113 acres	-
24	Sand Pond	Sullivan	112 acres	-
25	Mastens Lake	Sullivan	106 acres	-
26	Hunter Lake	Sullivan	105 acres	-
27	York Lake	Sullivan	104 acres	-
28	Mongaup Falls Reservoir	Sullivan	103 acres	32 ft
29	Lake Huntington	Sullivan	100 acres	35 ft
30	Lochada Lake	Sullivan	92 acres	-
31	Lake Superior	Sullivan	90 acres	-
32	Kenoza Lake	Sullivan	90 acres	-
33	Shandelee Lake	Sullivan	86 acres	-
34	Indian Field Pond	Sullivan	86 acres	-
35	Lily Pond	Sullivan	82 acres	-
36	Toronto Lake	Sullivan	81 acres	-
37	Sidwell Lake	Sullivan	81 acres	-
38	Silver Lake	Sullivan	81 acres	-
39	Beaver Pond	Sullivan	79 acres	-
40	East Pond	Sullivan	79 acres	-
41	Anawana Lake	Sullivan	78 acres	-
42	Birch Ridge Ponds	Sullivan	75 acres	-
43	Lake Metauque	Sullivan	75 acres	-
44	Alta Lake	Sullivan	74 acres	-
45	Hunter Pond	Sullivan	73 acres	-
46	Filippini Pond	Sullivan	73 acres	-
47	Lake DeVenoge	Sullivan	72 acres	-
48	Ruddick Pond	Sullivan	71 acres	-
49	Davis Pond	Sullivan	70 acres	-
50	Baileys Lake	Sullivan	69 acres	-
51	Washington Lake	Sullivan	68 acres	-
52	Sand Pond	Sullivan	66 acres	-
53	Mountain Lake	Sullivan	66 acres	-
54	Loch Sheldrake	Sullivan	64 acres	-
55	Swamp Pond	Sullivan	62 acres	-
56	Sunrise Lake	Sullivan	62 acres	-
57	Briscoe Lake	Sullivan	60 acres	-
58	Cliff Lake	Sullivan	58 acres	-
59	North Pond	Sullivan	57 acres	-
60	Silver Lake	Sullivan	56 acres	-
61	Lake Muskoday	Sullivan	54 acres	-
62	Chestnut Ridge Pond	Sullivan	53 acres	-
63	Wells Pond	Sullivan	52 acres	-
64	Echo Lake	Sullivan	51 acres	-
65	Wildwood Lake	Sullivan	51 acres	-
66	Beaverdam Pond	Sullivan	51 acres	-
67	Trout Lake	Sullivan	49 acres	-
68	Toasperns Pond	Sullivan	48 acres	-
69	Turnpike Pond	Sullivan	48 acres	-
70	Hull Pond	Sullivan	48 acres	-
71	Gurneys Pond	Sullivan	48 acres	-
72	Merriewold Lake	Sullivan	47 acres	-
73	Hemlock Lake	Sullivan	46 acres	-
74	Treasure Lake	Sullivan	46 acres	-
75	Blind Pond	Sullivan	45 acres	-
76	Balsam Pond	Sullivan	45 acres	-
77	Lake La Barr	Sullivan	44 acres	-
78	Burnt Hope Lake	Sullivan	44 acres	-
79	Rock Lake	Sullivan	43 acres	-
80	Lake Jefferson	Sullivan	42 acres	-
81	Anawanda Lake	Sullivan	41 acres	-
82	Revonah Lake	Sullivan	40 acres	-
83	Orchard Lake	Sullivan	39 acres	-
84	South Brook Pond	Sullivan	39 acres	-
85	Crystal Lake	Sullivan	38 acres	-
86	Amber Lake	Sullivan	38 acres	-
87	Forest Lake	Sullivan	37 acres	-
88	Halfmoon Lake	Sullivan	37 acres	-
89	Mallory Pond	Sullivan	37 acres	-
90	Lake Uncas	Sullivan	36 acres	-
91	Crescent Lake	Sullivan	35 acres	-
92	Waneta Lake	Sullivan	34 acres	-
93	Lake Florence	Sullivan	34 acres	-
94	Welmet Lake	Sullivan	34 acres	-
95	Wesserlauf Pond	Sullivan	34 acres	-
96	Lake Kabau	Sullivan	33 acres	-
97	Hust Pond	Sullivan	33 acres	-
98	Lake Champion	Sullivan	33 acres	-
99	Luzon Lake	Sullivan	33 acres	-
100	Mitchell Pond	Sullivan	32 acres	-
101	Holp Pond	Sullivan	32 acres	-
102	Trojan Lake	Sullivan	32 acres	-
103	Fox Lake	Sullivan	32 acres	-
104	Hilldale Pond	Sullivan	32 acres	-
105	Kazens Pond	Sullivan	31 acres	-
106	Lake Nianque	Sullivan	29 acres	-
107	Shaddock Pond	Sullivan	29 acres	-
108	Clarks Pond	Sullivan	28 acres	-
109	Evens Lake	Sullivan	28 acres	-
110	Feagles Lake	Sullivan	27 acres	-
111	Matawa Lake	Sullivan	26 acres	-
112	Perry Pond	Sullivan	26 acres	-
113	South Wind Lake	Sullivan	26 acres	-
114	Grossingers Lake	Sullivan	26 acres	-
115	Davis Lake	Sullivan	26 acres	-
116	Denman Lake	Sullivan	25 acres	-
117	Lenape Lake	Sullivan	25 acres	-
118	Gillman Pond	Sullivan	25 acres	-
119	Conklin Pond	Sullivan	25 acres	-

Sources: New York State DEC lake data; USGS. Verified October 30, 2026.