Lakes / New Mexico / San Juan County / Long Lake
Long Lake, San Juan County, New Mexico
149.75 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Mexico
36.01 degrees N, 108.83 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 Long Lake Stacks Up
- Larger than 76% of the 309 lakes counted in New Mexico.
- About 61 miles from Farmington, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Whiskey Lake | McKinley | 2.1 mi | 135.66 acres |
| Bowl Lake | McKinley | 5.6 mi | 35.33 acres |
| Black Lake | San Juan | 11 mi | 111.2 acres |
| Chuska Lake | McKinley | 12 mi | 82.53 acres |
| Red Lake | McKinley | 13 mi | 462.15 acres |
| Little White Cone Lake | San Juan | 13 mi | 32.12 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Long Lake
How Big Is Long Lake?
Long Lake covers 149.75 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 56565904). Verified October 30, 2026.