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