 Of the three subsidiary summits, only North Truchas Peak () has enough topographic prominence (about ) to be considered an independent peak.The Truchas Peaks lie on the divide between the Rio Grande and the Pecos River.They are drained on the west by the Rio Medio, the Rio Quemado, and the Rio de las Trampas; on the northeast by the Rio Santa Barbara; and on the southeast by small creeks that quickly run into the upper reaches of the Pecos River.