Lakes / New York / Ulster County
Lakes in Ulster County, New York
26 lakes counted in Ulster County - the largest is Ashokan Reservoir West Basin at 5,162 acres.
26
Lakes Counted
5,162 acres
Largest - Ashokan Reservoir West Basin
93 ft
Deepest - Sturgeon Pool
Ulster County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Ashokan Reservoir West Basin | Ulster | 5,162 acres | - |
| 2 | Ashokan Reservoir East Basin | Ulster | 3,129 acres | - |
| 3 | Rondout Reservoir | Ulster | 2,120 acres | - |
| 4 | Cape Pond | Ulster | 243 acres | - |
| 5 | Sturgeon Pool | Ulster | 194 acres | 93 ft |
| 6 | Cooper Lake | Ulster | 149 acres | - |
| 7 | Yankeetown Pond | Ulster | 130 acres | - |
| 8 | Lake Awosting | Ulster | 97 acres | - |
| 9 | Fourth Lake | Ulster | 84 acres | - |
| 10 | Chodikee Lake | Ulster | 63 acres | 20 ft |
| 11 | Esopus Lake | Ulster | 62 acres | - |
| 12 | Ulster Heights Lake | Ulster | 57 acres | - |
| 13 | Lake Maratanza | Ulster | 51 acres | - |
| 14 | Kenozia Lake | Ulster | 48 acres | - |
| 15 | Alder Lake | Ulster | 45 acres | 22 ft |
| 16 | Mirror Lake | Ulster | 45 acres | - |
| 17 | Heddens Lake | Ulster | 45 acres | - |
| 18 | Fifth Lake | Ulster | 45 acres | - |
| 19 | Honk Lake | Ulster | 42 acres | - |
| 20 | Lyon Lake | Ulster | 41 acres | - |
| 21 | Lake Minnewaska | Ulster | 36 acres | - |
| 22 | Lyonsville Pond | Ulster | 29 acres | - |
| 23 | Lake Katrine | Ulster | 28 acres | - |
| 24 | Third Lake | Ulster | 27 acres | - |
| 25 | Tillson Lake | Ulster | 26 acres | - |
| 26 | Onteora Lake | Ulster | 16 acres | 20 ft |
Sources: New York State DEC lake data; USGS. Verified October 30, 2026.