Lakes / Idaho / Clearwater County / Dworshak Reservoir
Dworshak Reservoir, Idaho
16,362.33 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
46.66 degrees N, 116.12 degrees W - Clearwater 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 Dworshak Reservoir Stacks Up
- Ranks #7 for surface area among the Idaho lakes counted so far - 16,362.33 acres.
- The largest lake in Clearwater County among those counted.
- About 77 miles from Coeur d'Alene, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Elk Creek Reservoir | Clearwater | 8.2 mi | 80.06 acres |
| Moose Creek Reservoir | Latah | 21 mi | 30.89 acres |
| Lost Lake | Shoshone | 30 mi | 26.19 acres |
| Spring Valley Reservoir | Latah | 31 mi | 51.4 acres |
| Heart Lake | Shoshone | 32 mi | 33.11 acres |
| Lapwai Lake | Lewis | 38 mi | 88.22 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Dworshak Reservoir
How Big Is Dworshak Reservoir?
Dworshak Reservoir covers 16,362.33 acres in Clearwater County, Idaho.
What Is the Largest Lake in Clearwater County?
Dworshak Reservoir is the largest lake in Clearwater County, at 16,362.33 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 44291415). Verified October 30, 2026.