Lakes / Idaho / Custer County / Vernon Lake
Vernon Lake, Idaho
31.41 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
43.96 degrees N, 114.99 degrees W - Custer 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 Vernon Lake Stacks Up
- Larger than 12% of the 316 lakes counted in Idaho.
- About 37 miles from Ketchum, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Edna Lake | Custer | 0.5 mi | 56.2 acres |
| Ardeth Lake | Boise | 1.1 mi | 78.55 acres |
| Toxaway Lake | Custer | 1.1 mi | 121.58 acres |
| Spangle Lake | Boise | 2.3 mi | 38.8 acres |
| Alice Lake | Blaine | 3.0 mi | 71.17 acres |
| Imogene Lake | Custer | 3.0 mi | 71.66 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Vernon Lake
How Big Is Vernon Lake?
Vernon Lake covers 31.41 acres in Custer County, Idaho.
What Is the Largest Lake in Custer County?
Redfish Lake is the largest lake in Custer County, at 1,503.88 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 43838395). Verified October 30, 2026.