Lakes / Utah / Summit County / Echo Reservoir
Echo Reservoir, Utah
1,410.54 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
40.95 degrees N, 111.41 degrees W - Summit 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 Echo Reservoir Stacks Up
- Larger than 92% of the 298 lakes counted in Utah.
- The largest lake in Summit County among those counted.
- About 21 miles from Park City, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| East Canyon Reservoir | Morgan | 9.7 mi | 659.28 acres |
| Rockport Lake | Summit | 12 mi | 1,056.15 acres |
| Lost Creek Reservoir | Morgan | 17 mi | 360.09 acres |
| Little Dell Reservoir | Salt Lake | 19 mi | 208.13 acres |
| Mountain Dell Reservoir | Salt Lake | 21 mi | 81.05 acres |
| Smith and Morehouse Reservoir | Summit | 21 mi | 193.54 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Echo Reservoir
How Big Is Echo Reservoir?
Echo Reservoir covers 1,410.54 acres in Summit County, Utah.
What Is the Largest Lake in Summit County?
Echo Reservoir is the largest lake in Summit County, at 1,410.54 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 72128115). Verified October 30, 2026.