Lakes / Maine / Upper Jo-Mary Lake
Upper Jo-Mary Lake, Maine
1,846 acres
Surface Area
72 ft
Max Depth
32 ft
Average Depth
13.3 mi
Shoreline
523 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Maine
45.60 degrees N, 68.96 degrees W - Piscataquis County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Maine DEP coordinates, not by eye. Schematic - not a survey map.
Depth Profile - Upper Jo-Mary Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Upper Jo-Mary Lake Stacks Up
- Its average depth of 32 ft is more than 3 times a typical shallow Maine lake, which averages under 10 ft.
- About 56 miles from Bangor, as the crow flies.
- 21 fish species on the DEP list for this lake.
Fish Species
Landlocked SalmonBrook TroutLake TroutLake WhitefishSmallmouth BassChain PickerelWhite PerchYellow PerchRainbow SmeltBurbot (Cusk)American EelBanded KillifishBlacknose DaceBrown BullheadCommon ShinerFallfishGolden ShinerLake ChubRedbreast SunfishSlimy SculpinWhite Sucker
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Lake ID (MIDAS)243
CountyPiscataquis
TownsVeazie Gore, TA R10 WELS, TB R10 WELS
Lake TypeColdwater
Coordinates45.6008, -68.9620
Deepest Natural Lakes in Maine
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Sebago Lake | Cumberland | 30,536 acres | 316 ft |
| 2 | Moosehead Lake | Piscataquis | 75,473 acres | 246 ft |
| 3 | Tunk Lake | Hancock | 2,071 acres | 222 ft |
| 4 | Pleasant Pond | Somerset | 1,037 acres | 198 ft |
| 5 | Schoodic Lake | Piscataquis | 7,021 acres | 188 ft |
Largest Lakes in Maine
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Moosehead Lake | Piscataquis | 75,473 acres | 246 ft |
| 2 | Sebago Lake | Cumberland | 30,536 acres | 316 ft |
| 3 | Chesuncook Lake | Piscataquis | 28,250 acres | 150 ft |
| 4 | Spednic Lake | Washington | 19,618 acres | 54 ft |
| 5 | South Twin Lake | Penobscot, Piscataquis | 18,652 acres | 101 ft |
Sources: Maine DEP / Lakes of Maine lake data (ID 243); USGS. Verified October 30, 2026.