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Lakes / Oregon / Union County / Echo Lake

Echo Lake, Oregon

28 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oregon

PortlandBendEcho LakeUnion Co.

45.12 degrees N, 117.45 degrees W - Union 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 Echo Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Lookingglass LakeUnion5.1 mi28 acres
Eagle LakeUnion5.6 mi35 acres
Minam LakeWallowa6.6 mi59 acres
Steamboat LakeWallowa8.1 mi45 acres
Long LakeWallowa8.1 mi41 acres
Mirror LakeWallowa8.2 mi28 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID112954991
CountyUnion
Lake TypeLake
Coordinates45.1169, -117.4535

Questions About Echo Lake

How Big Is Echo Lake?

Echo Lake covers 28 acres in Union County, Oregon.

What Is the Largest Lake in Union County?

Thief Valley Reservoir is the largest lake in Union County, at 751 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 112954991). Verified October 30, 2026.