Lakes / New Mexico / San Juan County / Navajo Reservoir
Navajo Reservoir, New Mexico
15,363.3 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Mexico
36.92 degrees N, 107.49 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 Navajo Reservoir Stacks Up
- The largest lake counted in New Mexico by surface area - 15,363.3 acres.
- The largest lake in San Juan County among those counted.
- About 42 miles from Farmington, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Cutter Reservoir | San Juan | 19 mi | 54.34 acres |
| John Mills Lake | Rio Arriba | 25 mi | 39.2 acres |
| Dulce Lake | Rio Arriba | 27 mi | 88.46 acres |
| La Jara Lake | Rio Arriba | 30 mi | 37.51 acres |
| Enbom Lake | Rio Arriba | 35 mi | 30.89 acres |
| Beeline Reservoir | San Juan | 35 mi | 211.31 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Navajo Reservoir
How Big Is Navajo Reservoir?
Navajo Reservoir covers 15,363.3 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 122810458). Verified October 30, 2026.