Caballo Mountains Caballo Mountains The Caballo Mountains, (Spanish: "horse") are a mountain range located in Sierra and Doña Ana Counties, New Mexico, United States. The range is located east of the Rio Grande and Caballo Lake, and west of the Jornada del Muerto; the south of the range extends into northwest Doña Ana County. The nearest towns are Truth or Consequences and Hatch. Most of the Caballo Mountains are located on land owned by the Bureau of Land Management. The mountains are unusual, and perhaps unique in New Mexico, for the relatively complete geologic history revealed by their rocks. Vehicular access to
Caballo Island rims of the Corregidor Caldera. The gap between the two islands is only about 1/4 mile with a depth of 7 fathoms and is never used for large vessel navigation. The island is currently occupied by the Philippine Navy and is off limits to civilians. Remains of the old fortifications, batteries and structures are left rusting in the open after it was abandoned after World War II. In November 2014, Filipino peacekeepers from Liberia who were quarantined on the island for 21 days due to concerns about Ebola were cleared to return to the mainland. Caballo Island Caballo Island (which