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Lakes / Oregon / Lake County / Jack Lake

Jack Lake, Oregon

778 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oregon

PortlandBendJack LakeLake Co.

42.25 degrees N, 119.62 degrees W - Lake County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.

How Jack Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Moon LakeLake1.1 mi62 acres
Weed LakeLake1.5 mi165 acres
Long LakeLake2.7 mi136 acres
School Section LakeLake2.9 mi93 acres
Jacobs ReservoirLake3.6 mi127 acres
Billy Burr LakeLake4.0 mi69 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID158122808
CountyLake
Lake TypeLake
Coordinates42.2463, -119.6208

Questions About Jack Lake

How Big Is Jack Lake?

Jack Lake covers 778 acres in Lake County, Oregon.

What Is the Largest Lake in Lake County?

Lake Abert is the largest lake in Lake County, at 37,137 acres.

Largest Lakes in Oregon

#LakeCountySurface AreaMax Depth
1Upper Klamath LakeKlamath62,095 acres-
2Lake UmatillaMorrow50,042 acres-
3Lake AbertLake37,137 acres-
4Summer LakeLake31,602 acres-
5Harney LakeHarney31,290 acres-

All 642 Oregon lakes ranked by surface area

Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 158122808). Verified October 30, 2026.