Caballo Mountains
To the east beyond Caballo Reservoir are the rugged Caballo Mountains, uplifted about 3 miles above the downdropped Río Grande trough, along the fault scarp at the edge of the mountains. Lowest slopes are ancient granites. Black ironstone beds are at base of high cliffs which are formed by Paleozoic dolomites and limestones. Elevation 4,390 feet.
Marker is at the intersection of New Mexico Route 187 and New Mexico Route 152, on the right when traveling north on State Route 187.
Courtesy hmdb.org
