Lakes / Utah / Carbon County / Grassy Trail Reservoir
Grassy Trail Reservoir, Utah
30.64 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
39.62 degrees N, 110.40 degrees W - Carbon 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 Grassy Trail Reservoir Stacks Up
- Larger than 12% of the 298 lakes counted in Utah.
- About 79 miles from Provo, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Desert Lake | Emery | 27 mi | 100.11 acres |
| Towave Reservoir | Uintah | 35 mi | 57.86 acres |
| Huntington Lake | Emery | 35 mi | 183.85 acres |
| Starvation Reservoir | Duchesne | 39 mi | 2,991.46 acres |
| Lake Boreham | Duchesne | 40 mi | 405.25 acres |
| Scofield Reservoir | Carbon | 42 mi | 2,749.89 acres |
Straight-line distance between lake centers.
Facts and Figures
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 37983949). Verified October 30, 2026.