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PILOT KNOB (Williamson County). Pilot Knob, also called Gabriel Mountain, is in northwestern Williamson County about three miles southwest of Andice (at 30°46' N, 97°54' W). Its summit, at an elevation of 1,208 feet above sea level, rises some 126 feet above nearby Farm Road 970. Pilot Knob is within the Balcones Escarpment and was formed by volcanic action.

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Handbook of Texas Online, "Pilot Knob (Williamson County)," accessed December 13, 2017,

Uploaded on June 15, 2010. Published by the Texas State Historical Association.