Lakes / Utah / Sanpete County / Julius Flat Reservoir
Julius Flat Reservoir, Utah
39.78 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
39.05 degrees N, 111.45 degrees W - Sanpete 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 Julius Flat Reservoir Stacks Up
- Larger than 25% of the 298 lakes counted in Utah.
- About 83 miles from Provo, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Henningson Reservoir | Sanpete | 2.2 mi | 26.19 acres |
| Spinners Reservoir | Sanpete | 3.1 mi | 41.02 acres |
| Island Lake | Sanpete | 3.4 mi | 28.42 acres |
| Ferron Reservoir | Sanpete | 6.7 mi | 76.36 acres |
| Duck Fork Reservoir | Sanpete | 8.6 mi | 51.15 acres |
| Jet Fox Reservoir | Sanpete | 14 mi | 37.28 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Julius Flat Reservoir
How Big Is Julius Flat Reservoir?
Julius Flat Reservoir covers 39.78 acres in Sanpete County, Utah.
What Is the Largest Lake in Sanpete County?
Sevier Bridge Reservoir is the largest lake in Sanpete County, at 9,093.63 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 79592950). Verified October 30, 2026.