A photo of Cerro Castellan.
By Geology and Ecology of National Parks
June 1990 (approx.)
Detailed Description
Cerro Castellan (or Castolon Peak) is a butte capped by remnants of a Miocene-age lava flow (Delaho Formation) overlying volcanic ash and stream deposits of the Chisos Formation. The butte is located near Castolon and near the intersection of the River Road and the Ross Maxwell Scenic Drive in western Big Bend National Park.
Sources/Usage
A photo of Cerro Castellan.