Lakes / Oregon / Yamhill County / McGuire Reservoir
McGuire Reservoir, Oregon
181 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
45.30 degrees N, 123.40 degrees W - Yamhill 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 McGuire Reservoir Stacks Up
- Larger than 70% of the 642 lakes counted in Oregon.
- The largest lake in Yamhill County among those counted.
- About 30 miles from Salem, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Barney Reservoir | Washington | 9.7 mi | 342 acres |
| Stimson Millpond | Washington | 15 mi | 46 acres |
| Henry Hagg Lake | Washington | 15 mi | 1,086 acres |
| Skookum Lake | Tillamook | 16 mi | 36 acres |
| Lillie Walker Irrigation Pond | Polk | 17 mi | 29 acres |
| Horseshoe Lake | Marion | 19 mi | 27 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 105846198). Verified October 30, 2026.