Lakes / Utah / Washington County / Kolob Reservoir
Kolob Reservoir, Utah
232.95 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
37.44 degrees N, 113.05 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 Kolob Reservoir Stacks Up
- Larger than 72% of the 298 lakes counted in Utah.
- About 37 miles from St. George, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Blue Springs Reservoir | Washington | 2.9 mi | 43 acres |
| Ash Creek Reservoir | Washington | 11 mi | 54.61 acres |
| Navajo Lake | Kane | 16 mi | 708.9 acres |
| Quichapa Lake | Iron | 16 mi | 1,663.76 acres |
| Cow Lake | Kane | 18 mi | 29.41 acres |
| Quail Creek Reservoir | Washington | 26 mi | 615.65 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Kolob Reservoir
How Big Is Kolob Reservoir?
Kolob Reservoir covers 232.95 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 33032433). Verified October 30, 2026.