Lakes / Colorado / San Juan County / Highland Mary Lakes
Highland Mary Lakes, Colorado
43 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
37.76 degrees N, 107.57 degrees W - San Juan 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 Highland Mary Lakes Stacks Up
- Larger than 35% of the 778 lakes counted in Colorado.
- The largest lake in San Juan County among those counted.
- About 104 miles from Grand Junction, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Silver Lake | San Juan | 2.6 mi | 26 acres |
| Balsam Lake | San Juan | 6.1 mi | 30 acres |
| Ute Lake | Hinsdale | 11 mi | 35 acres |
| Rock Lake | Hinsdale | 11 mi | 29 acres |
| Flint Lakes | Hinsdale | 12 mi | 33 acres |
| Clear Lake | San Juan | 12 mi | 33 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Highland Mary Lakes
How Big Is Highland Mary Lakes?
Highland Mary Lakes covers 43 acres in San Juan County, Colorado.
What Is the Largest Lake in San Juan County?
Highland Mary Lakes is the largest lake in San Juan County, at 43 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 82626854). Verified October 30, 2026.