Alibates Flint Quarries National Monument offer tours year round by reservation only. Tours usually go at 10:00 AM and 2:00 PM.  Extreme weather conditions such as 100 degree temperatures, lightning, tornadoes, etc. may cause tours to be canceled on short notice.  Reservations may be made by calling Park Headquarters, Monday through Friday, 8:00 AM - 4:30 PM, at (806) 857-3151 or writing the Superintendent, Alibates Flint Quarries National Monument, P.O. Box 1460, Fritch, Texas 79036.