Lakes / Oregon / Union County / Fisk Reservoir
Fisk Reservoir, Oregon
40 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
45.04 degrees N, 117.68 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 Fisk Reservoir Stacks Up
- Larger than 24% of the 642 lakes counted in Oregon.
- About 192 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Thief Valley Reservoir | Union | 6.2 mi | 751 acres |
| Balm Creek Reservoir | Baker | 10 mi | 73 acres |
| Echo Lake | Union | 12 mi | 28 acres |
| Lookingglass Lake | Union | 15 mi | 28 acres |
| Shaw Reservoir | Union | 16 mi | 47 acres |
| Wolf Creek Reservoir | Union | 17 mi | 195 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Fisk Reservoir
How Big Is Fisk Reservoir?
Fisk Reservoir covers 40 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
| # | 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 112955135). Verified October 30, 2026.