Lakes / New Mexico / Taos County / Costilla Reservoir
Costilla Reservoir, New Mexico
332.78 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Mexico
36.89 degrees N, 105.27 degrees W - Taos 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 Costilla Reservoir Stacks Up
- Larger than 86% of the 309 lakes counted in New Mexico.
- The largest lake in Taos County among those counted.
- About 39 miles from Taos, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Munn Lake | Colfax | 6.7 mi | 39.29 acres |
| Adams Lake | Colfax | 7.4 mi | 61.04 acres |
| Bartlett Lake | Colfax | 8.0 mi | 85.25 acres |
| Eagle Nest Lake | Colfax | 25 mi | 1,817.29 acres |
| Webster Reservoir | Colfax | 31 mi | 30.39 acres |
| Saladon Lake | Colfax | 33 mi | 76.85 acres |
Straight-line distance between lake centers.
Facts and Figures
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 120931394). Verified October 30, 2026.