Lakes / Colorado / Weld County / Loop Lake
Loop Lake, Colorado
61 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
40.56 degrees N, 104.86 degrees W - Weld 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 Loop Lake Stacks Up
- Larger than 51% of the 778 lakes counted in Colorado.
- About 43 miles from Boulder, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Drake Lake | Weld | 1.3 mi | 34 acres |
| Eaton-Law Reservoir | Weld | 1.9 mi | 59 acres |
| Windsor Reservoir | Weld | 2.0 mi | 852 acres |
| James Lake | Weld | 2.1 mi | 27 acres |
| Franklin Lake | Weld | 2.8 mi | 39 acres |
| Angel Lake | Weld | 3.0 mi | 33 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Loop Lake
How Big Is Loop Lake?
Loop Lake covers 61 acres in Weld County, Colorado.
What Is the Largest Lake in Weld County?
Riverside Reservoir is the largest lake in Weld County, at 3,633 acres.
Largest Lakes in Colorado
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | John Martin Reservoir | Bent | 11,686 acres | - |
| 2 | Blue Mesa Reservoir | Gunnison | 8,944 acres | - |
| 3 | Lake Granby | Grand | 7,075 acres | - |
| 4 | Lake Meredith | Crowley | 5,539 acres | - |
| 5 | Adobe Creek Reservoir | Bent | 4,770 acres | - |
All 778 Colorado lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 128076298). Verified October 30, 2026.