Lakes / Utah / Summit County / Lower Red Castle Lake
Lower Red Castle Lake, Utah
43.49 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
40.81 degrees N, 110.46 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 Lower Red Castle Lake Stacks Up
- Larger than 30% of the 298 lakes counted in Utah.
- About 55 miles from Park City, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Smiths Fork Pass Lake | Summit | 1.6 mi | 25.95 acres |
| Red Castle Lake | Summit | 1.7 mi | 166.05 acres |
| Upper Red Castle Lake | Summit | 2.3 mi | 25.7 acres |
| Lake Blanchard | Summit | 3.0 mi | 30.12 acres |
| Cliff Lake | Summit | 3.2 mi | 33.03 acres |
| Superior Lake | Duchesne | 5.8 mi | 36.08 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lower Red Castle Lake
How Big Is Lower Red Castle Lake?
Lower Red Castle Lake covers 43.49 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 35210536). Verified October 30, 2026.