Lakes / Idaho / Bannock County / Swan Lake
Swan Lake, Bannock County, Idaho
60.29 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
42.29 degrees N, 111.99 degrees W - Bannock 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 Swan Lake Stacks Up
- Larger than 42% of the 316 lakes counted in Idaho.
- The largest lake in Bannock County among those counted.
- About 83 miles from Idaho Falls, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Twin Lakes Reservoir | Franklin | 7.1 mi | 439.35 acres |
| Strongarm Reservoir Number One | Franklin | 8.1 mi | 150.98 acres |
| Condie Reservoir | Franklin | 8.7 mi | 86.24 acres |
| Winder Reservoir | Franklin | 9.8 mi | 76.94 acres |
| Upper Deep Creek Reservoir | Oneida | 11 mi | 26.19 acres |
| Deep Creek Reservoir | Oneida | 11 mi | 168.25 acres |
Straight-line distance between lake centers.
Facts and Figures
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 40849569). Verified October 30, 2026.