Hikers must fill out a waiver and sign in prior to hiking. Trails are occasionally closed on holidays or for events. Check the St. Crispin's Facebook page here for open days and times, or call 405-382-1619.
Right in the middle of the Green Section, you'll find the entrance to the Red Section. It starts with a steep, gravelly descent to a creek bottom before looping back around to finish about 10 yards from where it started, back on the Green Section.