Lakes / Utah / Cache County / Hyrum Reservoir
Hyrum Reservoir, Utah
431.94 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
41.62 degrees N, 111.86 degrees W - Cache 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 Hyrum Reservoir Stacks Up
- Larger than 83% of the 298 lakes counted in Utah.
- About 28 miles from Ogden, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mantua Reservoir | Box Elder | 8.8 mi | 514.72 acres |
| Porcupine Reservoir | Cache | 9.3 mi | 179.15 acres |
| Cement Ponds | Box Elder | 11 mi | 51.15 acres |
| Horseshoe Sloughs | Box Elder | 14 mi | 117.87 acres |
| Cutler Reservoir | Cache | 15 mi | 1,541.32 acres |
| Klondike Lake | Box Elder | 17 mi | 129.48 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Hyrum Reservoir
How Big Is Hyrum Reservoir?
Hyrum Reservoir covers 431.94 acres in Cache County, Utah.
What Is the Largest Lake in Cache County?
Cutler Reservoir is the largest lake in Cache County, at 1,541.32 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 27014362). Verified October 30, 2026.