Lakes / Vermont / Lake Memphremagog
Lake Memphremagog, Vermont
5,929.3 acres
Surface Area
351 ft
Max Depth
682 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Vermont
44.98 degrees N, 72.22 degrees W - Orleans County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Vermont DEC coordinates, not by eye. Schematic - not a survey map.
Depth Profile - Lake Memphremagog
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Lake Memphremagog Stacks Up
- The deepest natural lake counted in Vermont - 351 ft at its deepest.
- The largest lake counted in Vermont by surface area - 5,929.3 acres.
- The largest lake in Orleans County among those counted.
- About 53 miles from Montpelier, as the crow flies.
Facts and Figures
Lake IDMEMPHREMAGOG
CountyOrleans
TownNewport Town
Coordinates44.9777, -72.2183
Deepest Natural Lakes in Vermont
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Memphremagog | Orleans | 5,929.3 acres | 351 ft |
| 2 | Seymour Lake | Orleans | 1,777.2 acres | 167 ft |
| 3 | Harvey Lake | Caledonia | 357.2 acres | 145 ft |
| 4 | Caspian Lake | Orleans | 789.8 acres | 142 ft |
| 5 | Shadow Lake | Orleans | 217.3 acres | 139 ft |
Largest Lakes in Vermont
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Memphremagog | Orleans | 5,929.3 acres | 351 ft |
| 2 | Lake Bomoseen | Rutland | 2,415.1 acres | 65 ft |
| 3 | Harriman Reservoir | Windham | 1,949.4 acres | 160 ft |
| 4 | Seymour Lake | Orleans | 1,777.2 acres | 167 ft |
| 5 | Lake Willoughby | Orleans | 1,734 acres | None |
Sources: Vermont DEC Lakes & Ponds Program (ANR Open Data / Lake Score Card) lake data (ID MEMPHREMAGOG); USGS. Verified October 28, 2026.