Lakes / Colorado / Jackson County / South Delaney Lake
South Delaney Lake, Colorado
151 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
40.70 degrees N, 106.46 degrees W - Jackson 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 South Delaney Lake Stacks Up
- Larger than 75% of the 778 lakes counted in Colorado.
- About 79 miles from Boulder, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| East Delaney Lake | Jackson | 0.6 mi | 66 acres |
| North Delaney Lake | Jackson | 1.1 mi | 163 acres |
| Lake John | Jackson | 5.3 mi | 728 acres |
| Alkali Lake | Jackson | 5.6 mi | 139 acres |
| Case Reservoir Number 2 | Jackson | 7.3 mi | 27 acres |
| Walden Reservoir | Jackson | 8.0 mi | 766 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About South Delaney Lake
How Big Is South Delaney Lake?
South Delaney Lake covers 151 acres in Jackson County, Colorado.
What Is the Largest Lake in Jackson County?
Walden Reservoir is the largest lake in Jackson County, at 766 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 128867064). Verified October 30, 2026.