Pico del Caballo southern ridge is Tajo de los Machos, 3088m. At the middle of the two ridges starts the river Rio Lanjaron, 400 m lower. Rio Lanjaron flows several km down towards the town of Lanjaron. There is also a few lakes in this wide mountain valley. Pico del Caballo Pico del Caballo, Cerro del Caballo or simply Caballo ("horse") is 3,011 m high mountain in the Sierra Nevada, Spain. It is the westernmost three thousander of the range. Caballo mountain can be accessed from the towns of Lanjaron, Durcal and also from the Sierra Nevada Ski Resort. The Ski Resort is
Caballo Mountains 34.9 Ma. What is now the San Mateo Mountains (Socorro County) contained at least two cauldrons, the Nogal Canyon cauldron (28.6 Ma) and the Mount Withington cauldron (27.4 Ma). Local subsiding appears to have begun around 34.9 Ma. The Caballo Mountains began to rise in the late Oligocene, and throughout the Miocene. Approximately 9.6 Ma, the eruption of basalts near Fort Selden signaled the renewal of crustal extension and volcanism in the southern part of the rift. Activity along both older and new faults increased the number, but decreased the width of basins along this portion of the rift. The