Lakes / Oregon / Gilliam County / Willow Lake
Willow Lake, Gilliam County, Oregon
307 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
45.79 degrees N, 120.01 degrees W - Gilliam 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 Willow Lake Stacks Up
- Larger than 78% of the 642 lakes counted in Oregon.
- About 130 miles from Portland, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Umatilla | Morrow | 4.0 mi | 50,042 acres |
| Carty Reservoir | Morrow | 12 mi | 1,025 acres |
| McCormack Slough | Morrow | 22 mi | 248 acres |
| Willow Creek Reservoir | Morrow | 38 mi | 154 acres |
| Cold Springs Reservoir | Umatilla | 42 mi | 1,440 acres |
Straight-line distance between lake centers.
Facts and Figures
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 108778934). Verified October 30, 2026.