Bandera State Park features 20 miles of hiking trails near Bandera, TX.
Take IH 35 south to New Braunsfels exit 46 west and go towards Bandera, in Bandera take 173 south and then an immediate right on 1077 west, follow the signs to the office to pay your dues.
http://www.tripleblaze.com/trail.php?c=3&i=1986