Lakes / New York / Sylvia Lake
Sylvia Lake, New York
324 acres
Surface Area
142 ft
Max Depth
70 ft
Average Depth
3.9 mi
Shoreline
654 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - New York
44.25 degrees N, 75.41 degrees W - St. Lawrence County. State and county outlines drawn from Census boundary data; the lake marker is placed by its New York State DEC coordinates, not by eye. Schematic - not a survey map.
Depth Profile - Sylvia Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Sylvia Lake Stacks Up
- Its average depth of 70 ft is more than 7 times a typical shallow New York lake, which averages under 10 ft.
- About 91 miles from Syracuse, as the crow flies.
- 4 fish species on the DEC list for this lake.
Fish Species
Smallmouth BassLargemouth BassLake TroutRainbow Trout
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID167248136
CountySt. Lawrence
Coordinates44.2543, -75.4134
Deepest Natural Lakes in New York
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Seneca Lake | Ontario, Yates, Seneca, Schuyler | 43,343 acres | 618 ft |
| 2 | Cayuga Lake | Cayuga | 42,956 acres | 435 ft |
| 3 | Skaneateles Lake | Onondaga, Cortland, Cayuga | 8,960 acres | 300 ft |
| 4 | Canandaigua Lake | Ontario, Yates | 10,558 acres | 276 ft |
| 5 | Lake George | Essex, Warren | 28,451 acres | 187 ft |
Largest Lakes in New York
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Erie | Erie | 6,360,010 acres | - |
| 2 | Lake Ontario | Jefferson | 4,656,925 acres | - |
| 3 | Lake Champlain | Washington | 277,117 acres | - |
| 4 | Oneida Lake | Oswego | 51,324 acres | - |
| 5 | Seneca Lake | Ontario, Yates, Seneca, Schuyler | 43,343 acres | 618 ft |
Sources: New York State DEC lake data (ID 167248136); USGS. Verified October 30, 2026.