Lakes / New York / Lewis County

Lakes in Lewis County, New York

40 lakes counted in Lewis County - the largest is Lake Bonaparte at 1,248 acres.

Lakes Counted

1,248 acres

Largest - Lake Bonaparte

75 ft

Deepest - Lake Bonaparte

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

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Lake Bonaparte	Lewis	1,248 acres	75 ft
2	Soft Maple Reservoir	Lewis	338 acres	-
3	Brantingham Lake	Lewis	334 acres	-
4	Beaver Lake	Lewis	331 acres	-
5	Effley Falls Pond	Lewis	313 acres	-
6	Narrow Lake	Lewis	223 acres	-
7	McCarthys Lake	Lewis	166 acres	-
8	High Falls Pond	Lewis	157 acres	-
9	Long Pond	Lewis	149 acres	-
10	Francis Lake	Lewis	137 acres	18 ft
11	Chase Lake	Lewis	117 acres	-
12	Taylorville Pond	Lewis	111 acres	-
13	Indian Pond	Lewis	109 acres	-
14	Sand Pond	Lewis	85 acres	-
15	Crystal Lake	Lewis	83 acres	-
16	Stony Lake	Lewis	71 acres	-
17	Sears Pond	Lewis	69 acres	-
18	Pine Lake	Lewis	67 acres	-
19	Copper Lake	Lewis	60 acres	-
20	South Greek Lake	Lewis	58 acres	-
21	Mud Pond	Lewis	52 acres	-
22	Bullhead Pond	Lewis	51 acres	-
23	Crooked Lake	Lewis	48 acres	-
24	Little Otter Lake	Lewis	46 acres	-
25	Round Pond	Lewis	45 acres	-
26	Ashcraft Pond	Lewis	40 acres	-
27	Belfort Pond	Lewis	39 acres	-
28	Elijah Lake	Lewis	39 acres	-
29	Catspaw Lake	Lewis	37 acres	-
30	Trout Lake	Lewis	36 acres	-
31	Huckleberry Lake	Lewis	33 acres	-
32	Crooked Pond	Lewis	31 acres	-
33	Fort Drum Pond	Lewis	28 acres	-
34	Fish Pond	Lewis	27 acres	-
35	Fort Drum Pond	Lewis	27 acres	-
36	Lanes Pond	Lewis	25 acres	-
37	Clear Pond	Lewis	9 acres	35 ft
38	Soft Maple Reservoir	Lewis	6 acres	-
39	Trout Pond	Lewis	5 acres	-
40	Soft Maple Reservoir	Lewis	3 acres	-

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