The entrance fee is $6 daily for persons 13 years or older, children 12 and under are allowed in at no cost.
The speed at which flash floods can arise along this river has resulted in several deaths at the park.
Wildlife in the park is typical of the Texas Hill Country, including white-tailed deer, coyotes, rabbits, armadillos, wild hogs, skunks, opossums and raccoons.
[5] Trees commonly found in the area include juniper, pecan, sycamore, elm, walnut, hackberry, and others.
[6] Venomous snakes most commonly found in the Texas Hill Country are the western diamondback rattlesnake, eastern copperhead, and the water moccasin.