Solitario

English Proper noun en often with "the" or "el" A large eroded laccolith (superficially resembling a crater) in western Texas in the United States, which covers a circular area of approximately 135 km2 or 52 square miles, marked by rugged terrain and shutups. en 1983 Forgotten Texas: A Wilderness Portfolio 138 [T]he calm, steep-shadowed serenity of the Shutups is deceiving: floods accompanying late-summer thunderstorms transform them into places of mortal peril, roaring gorges where giant boulders are tumbled about by the current's overwhelming force. So rugged is the interior of the Solitaro that a good day's expedition seldom covers more than fifteen miles, and then only with the aid of a sturdy four-wheel-drive vehicle.