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VIEJA PEAK. Vieja Peak is a summit on the western edge of the Sierra Vieja range one mile west of Knox Canyon in northwestern Presidio County (at 30°27' N, 104°40' W). At an elevation of 6,467 feet above sea level, it rises nearly 2,400 feet over Horseshoe Draw on its western edge. The peak is composed of volcanic rhyolite. The surrounding desert mountain terrain is cut by numerous rugged box canyons and covered by loose surface rubble. Area vegetation consists primarily of sparse grasses, cacti, and desert shrubs of conifers and oaks.


Jonathan G. Price et al., Igneous Geology of Trans-Pecos Texas (Bureau of Economic Geology, University of Texas at Austin, 1986).


The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article.

"VIEJA PEAK," Handbook of Texas Online (, accessed November 30, 2015. Uploaded on June 15, 2010. Published by the Texas State Historical Association.