Lakes / New Mexico / Rio Arriba County / John Mills Lake
John Mills Lake, New Mexico
39.2 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Mexico
36.78 degrees N, 107.08 degrees W - Rio Arriba 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 John Mills Lake Stacks Up
- Larger than 29% of the 309 lakes counted in New Mexico.
- About 63 miles from Farmington, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| La Jara Lake | Rio Arriba | 5.2 mi | 37.51 acres |
| Dulce Lake | Rio Arriba | 7.7 mi | 88.46 acres |
| Enbom Lake | Rio Arriba | 11 mi | 30.89 acres |
| Stone Lake | Rio Arriba | 12 mi | 470.49 acres |
| Horse Lake | Rio Arriba | 15 mi | 192.74 acres |
| Stinking Lake | Rio Arriba | 16 mi | 751.82 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About John Mills Lake
How Big Is John Mills Lake?
John Mills Lake covers 39.2 acres in Rio Arriba County, New Mexico.
What Is the Largest Lake in Rio Arriba County?
Heron Reservoir is the largest lake in Rio Arriba County, at 4,497.07 acres.
Largest Lakes in New Mexico
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Navajo Reservoir | San Juan | 15,363.3 acres | - |
| 2 | Elephant Butte Reservoir | Sierra | 10,908.51 acres | - |
| 3 | Ute Reservoir | Quay | 5,446.35 acres | - |
| 4 | Caballo Reservoir | Sierra | 4,617.43 acres | - |
| 5 | Heron Reservoir | Rio Arriba | 4,497.07 acres | - |
All 309 New Mexico lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 122810791). Verified October 30, 2026.