Lakes / Idaho / Owyhee County / Foremans Reservoir
Foremans Reservoir, Idaho
30.89 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
43.02 degrees N, 116.33 degrees W - Owyhee 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 Foremans Reservoir Stacks Up
- Larger than 11% of the 316 lakes counted in Idaho.
- About 41 miles from Boise, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Hulet-Sinker Creek Reservoir | Owyhee | 12 mi | 78.58 acres |
| Triangle Reservoir | Owyhee | 22 mi | 72.84 acres |
| Jensen Lake | Canyon | 24 mi | 41.76 acres |
| C J Strike Reservoir | Owyhee | 24 mi | 6,207.99 acres |
| Cove Arm Lake | Owyhee | 24 mi | 75.23 acres |
| Twin Lakes Reservoir | Owyhee | 25 mi | 49.67 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Foremans Reservoir
How Big Is Foremans Reservoir?
Foremans Reservoir covers 30.89 acres in Owyhee County, Idaho.
What Is the Largest Lake in Owyhee County?
C J Strike Reservoir is the largest lake in Owyhee County, at 6,207.99 acres.
Largest Lakes in Idaho
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Pend Oreille | Bonner | 92,764.44 acres | - |
| 2 | American Falls Reservoir | Power | 55,319.78 acres | - |
| 3 | Coeur d'Alene Lake | Kootenai | 26,891.64 acres | - |
| 4 | Lake Cascade | Valley | 25,043.4 acres | - |
| 5 | Priest Lake | Bonner | 23,425.59 acres | - |
All 316 Idaho lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 131919176). Verified October 30, 2026.