Grass Lake, New York
341 acres
Surface Area
24 ft
Average Depth
324 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - New York
44.34 degrees N, 75.71 degrees W - Jefferson 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.
How Grass Lake Stacks Up
- Its average depth of 24 ft is more than 2 times a typical shallow New York lake, which averages under 10 ft.
- About 92 miles from Syracuse, as the crow flies.
Facts and Figures
Waterbody ID131860494
CountyJefferson
Target Species (NYS DEC Recommended Fishing)Northern Pike, Largemouth Bass, Yellow Perch, Crappie, Sunfish, Tiger Musky
Coordinates44.3412, -75.7070
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 (CSLAP) lake data (ID 131860494); USGS. Verified October 30, 2026.