Lakes / New Mexico / Rio Arriba County / Ursulo Lake
Ursulo Lake, New Mexico
44.88 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Mexico
36.86 degrees N, 106.08 degrees W - Rio Arriba 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 Ursulo Lake Stacks Up
- Larger than 36% of the 309 lakes counted in New Mexico.
- About 42 miles from Taos, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Laguna Larga | Rio Arriba | 2.1 mi | 35.53 acres |
| Pit Tank Number Three | Rio Arriba | 2.3 mi | 35.75 acres |
| Lucero Lakes | Rio Arriba | 5.9 mi | 25.3 acres |
| Cissell Lake | Taos | 16 mi | 29.2 acres |
| Heron Reservoir | Rio Arriba | 36 mi | 4,497.07 acres |
| Horse Lake | Rio Arriba | 41 mi | 192.74 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Ursulo Lake
How Big Is Ursulo Lake?
Ursulo Lake covers 44.88 acres in Rio Arriba County, New Mexico.
What Is the Largest Lake in Rio Arriba County?
Heron Reservoir is the largest lake in Rio Arriba County, at 4,497.07 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 133158990). Verified October 30, 2026.