Lakes / Utah / Summit County / Upper Red Castle Lake
Upper Red Castle Lake, Utah
25.7 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
40.78 degrees N, 110.48 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 Upper Red Castle Lake Stacks Up
- Larger than 1% of the 298 lakes counted in Utah.
- About 54 miles from Park City, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Red Castle Lake | Summit | 0.6 mi | 166.05 acres |
| Smiths Fork Pass Lake | Summit | 1.7 mi | 25.95 acres |
| Lower Red Castle Lake | Summit | 2.3 mi | 43.49 acres |
| Superior Lake | Duchesne | 3.5 mi | 36.08 acres |
| Cliff Lake | Summit | 3.6 mi | 33.03 acres |
| Doll Lake | Duchesne | 4.0 mi | 43.49 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Upper Red Castle Lake
How Big Is Upper Red Castle Lake?
Upper Red Castle Lake covers 25.7 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 35210814). Verified October 30, 2026.