Lakes / Oregon / Columbia County / Malarky Lake
Malarky Lake, Oregon
33 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
45.75 degrees N, 122.81 degrees W - Columbia 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 Malarky Lake Stacks Up
- Larger than 16% of the 642 lakes counted in Oregon.
- About 17 miles from Portland, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Seal Lake | Columbia | 0.3 mi | 25 acres |
| Aarons Lake | Columbia | 1.1 mi | 84 acres |
| Racetrack Lake | Columbia | 1.1 mi | 29 acres |
| Crane Lake | Columbia | 1.4 mi | 122 acres |
| Sturgeon Lake | Multnomah | 1.6 mi | 3,166 acres |
| Steelman Lake | Columbia | 1.7 mi | 106 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{A7C53DA7-1B74-4CA4-B471-975616EAB265}
CountyColumbia
Lake TypeLake
Coordinates45.7485, -122.8078
Questions About Malarky Lake
How Big Is Malarky Lake?
Malarky Lake covers 33 acres in Columbia County, Oregon.
What Is the Largest Lake in Columbia County?
Scappoose Bay is the largest lake in Columbia County, at 300 acres.
Largest Lakes in Oregon
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Upper Klamath Lake | Klamath | 62,095 acres | - |
| 2 | Lake Umatilla | Morrow | 50,042 acres | - |
| 3 | Lake Abert | Lake | 37,137 acres | - |
| 4 | Summer Lake | Lake | 31,602 acres | - |
| 5 | Harney Lake | Harney | 31,290 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 {A7C53DA7-1B74-4CA4-B471-975616EAB265}). Verified October 30, 2026.