Lakes / New Mexico / San Juan County / Black Lake
Black Lake, San Juan County, New Mexico
104.28 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Mexico
36.17 degrees N, 108.06 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 Black Lake Stacks Up
- Larger than 67% of the 309 lakes counted in New Mexico.
- About 39 miles from Farmington, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Juans Lake | San Juan | 8.5 mi | 338.78 acres |
| Castillo Lake | McKinley | 30 mi | 67.95 acres |
| Tanner Lake | McKinley | 32 mi | 69.44 acres |
| Laguna Castillo | McKinley | 35 mi | 27.92 acres |
| Orphan Annie Tank | McKinley | 37 mi | 33.85 acres |
| Captain Tom Reservoir | San Juan | 39 mi | 71.46 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Black Lake
How Big Is Black Lake?
Black Lake covers 104.28 acres in San Juan County, New Mexico.
What Is the Largest Lake in San Juan County?
Navajo Reservoir is the largest lake in San Juan County, at 15,363.3 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 56565508). Verified October 30, 2026.