Lakes / Idaho / Blaine County / Magic Reservoir
Magic Reservoir, Idaho
3,078.58 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
43.28 degrees N, 114.38 degrees W - Blaine 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 Magic Reservoir Stacks Up
- Larger than 93% of the 316 lakes counted in Idaho.
- The largest lake in Blaine County among those counted.
- About 27 miles from Ketchum, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Summit Reservoir | Camas | 6.1 mi | 47.94 acres |
| Macon Lake | Camas | 7.8 mi | 26.23 acres |
| Kelly Reservoir | Camas | 12 mi | 85.44 acres |
| Thorn Creek Reservoir | Camas | 12 mi | 116.96 acres |
| Spring Creek Reservoir | Camas | 14 mi | 44.73 acres |
| McHan Reservoir | Camas | 15 mi | 32.87 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Magic Reservoir
How Big Is Magic Reservoir?
Magic Reservoir covers 3,078.58 acres in Blaine County, Idaho.
What Is the Largest Lake in Blaine County?
Magic Reservoir is the largest lake in Blaine County, at 3,078.58 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 59647341). Verified October 30, 2026.