Lakes / Idaho / Owyhee County / Rough Lake
Rough Lake, Idaho
321.73 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
42.16 degrees N, 116.25 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 Rough Lake Stacks Up
- Larger than 77% of the 316 lakes counted in Idaho.
- About 96 miles from Twin Falls, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mud Flat | Owyhee | 1.7 mi | 120.74 acres |
| Ross Lake | Owyhee | 2.9 mi | 1,005.72 acres |
| Juniper Lake | Owyhee | 4.3 mi | 389.26 acres |
| Henry Lake | Owyhee | 5.9 mi | 171.74 acres |
| Bybee Reservoir | Owyhee | 7.1 mi | 407.61 acres |
| Sage Hen Reservoir | Owyhee | 8.8 mi | 45.85 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Rough Lake
How Big Is Rough Lake?
Rough Lake covers 321.73 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 131931012). Verified October 30, 2026.