Lakes / Utah / Washington County / Sand Hollow Reservoir
Sand Hollow Reservoir, Utah
1,176.35 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
37.11 degrees N, 113.38 degrees W - Washington 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 Sand Hollow Reservoir Stacks Up
- Larger than 91% of the 298 lakes counted in Utah.
- The largest lake in Washington County among those counted.
- About 11 miles from St. George, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Quail Creek Reservoir | Washington | 5.1 mi | 615.65 acres |
| Ivins Reservoir | Washington | 19 mi | 37.44 acres |
| Ash Creek Reservoir | Washington | 22 mi | 54.61 acres |
| Baker Reservoir | Washington | 23 mi | 40.28 acres |
| Gunlock Reservoir | Washington | 24 mi | 251.8 acres |
| Blue Springs Reservoir | Washington | 27 mi | 43 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Sand Hollow Reservoir
How Big Is Sand Hollow Reservoir?
Sand Hollow Reservoir covers 1,176.35 acres in Washington County, Utah.
What Is the Largest Lake in Washington County?
Sand Hollow Reservoir is the largest lake in Washington County, at 1,176.35 acres.
Largest Lakes in Utah
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Great Salt Lake | Box Elder | 925,981.5 acres | - |
| 2 | Lake Powell | Kane | 128,544.01 acres | - |
| 3 | Sevier Lake | Millard | 122,527.82 acres | - |
| 4 | Utah Lake | Utah | 91,155.46 acres | - |
| 5 | Bear Lake | Rich | 70,008.54 acres | - |
All 298 Utah lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID {CEFE8A71-E19D-4775-B517-E37DEB5B0A6E}). Verified October 30, 2026.