Lakes / New Mexico / Sierra County / Elephant Butte Reservoir
Elephant Butte Reservoir, New Mexico
10,908.51 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Mexico
33.24 degrees N, 107.17 degrees W - Sierra 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 Elephant Butte Reservoir Stacks Up
- Ranks #2 for surface area among the New Mexico lakes counted so far - 10,908.51 acres.
- The largest lake in Sierra County among those counted.
- About 68 miles from Las Cruces, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mims Lake | Sierra | 6.2 mi | 91.57 acres |
| Engle Lake | Sierra | 8.6 mi | 41.76 acres |
| Cedar Lake | Sierra | 8.8 mi | 40.53 acres |
| Caballo Reservoir | Sierra | 21 mi | 4,617.43 acres |
| Big Salt Lake | Sierra | 48 mi | 743.54 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Elephant Butte Reservoir
How Big Is Elephant Butte Reservoir?
Elephant Butte Reservoir covers 10,908.51 acres in Sierra County, New Mexico.
What Is the Largest Lake in Sierra County?
Elephant Butte Reservoir is the largest lake in Sierra County, at 10,908.51 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 138520029). Verified October 30, 2026.