Lakes / Idaho / Gooding County / Pioneer Reservoir
Pioneer Reservoir, Idaho
204.36 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
42.99 degrees N, 115.06 degrees W - Gooding 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 Pioneer Reservoir Stacks Up
- Larger than 72% of the 316 lakes counted in Idaho.
- About 42 miles from Twin Falls, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Bliss Reservoir | Gooding | 5.2 mi | 286.59 acres |
| Bray Lake | Gooding | 10 mi | 130.97 acres |
| Blair Trail Reservoir | Elmore | 14 mi | 177.67 acres |
| Morrow Reservoir | Elmore | 14 mi | 43 acres |
| Dog Creek Reservoir | Gooding | 16 mi | 52.39 acres |
| Lower Teapot Reservoir | Elmore | 22 mi | 64.25 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Pioneer Reservoir
How Big Is Pioneer Reservoir?
Pioneer Reservoir covers 204.36 acres in Gooding County, Idaho.
What Is the Largest Lake in Gooding County?
Bliss Reservoir is the largest lake in Gooding County, at 286.59 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 89309536). Verified October 30, 2026.