Lakes / Idaho / Washington County / Soulen Reservoir
Soulen Reservoir, Idaho
91.43 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
44.25 degrees N, 116.58 degrees W - Washington 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 Soulen Reservoir Stacks Up
- Larger than 56% of the 316 lakes counted in Idaho.
- About 48 miles from Boise, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Paddock Valley Reservoir | Washington | 1.9 mi | 1,182.15 acres |
| Crane Creek Reservoir | Washington | 7.8 mi | 2,920.79 acres |
| Little Crane Creek Reservoir | Washington | 9.8 mi | 35.58 acres |
| Buttermilk Slough | Washington | 17 mi | 59.8 acres |
| Barton Reservoir | Washington | 18 mi | 56.09 acres |
| Mann Creek Reservoir | Washington | 19 mi | 230.3 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Soulen Reservoir
How Big Is Soulen Reservoir?
Soulen Reservoir covers 91.43 acres in Washington County, Idaho.
What Is the Largest Lake in Washington County?
Brownlee Reservoir is the largest lake in Washington County, at 12,535.1 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 38106494). Verified October 30, 2026.