Offers an archeological, historical, and natural history profile of the Big Bend region. Also information about vehicle, hiking, and river raft access; experienced backpackers only; no developed facilities. The visitor center introduces Big Bend Ranch State Park, and offers maps, books and other informational material; self-guided tour of botanical garden displaying characteristic plants of the Chihuahuan Desert. Admission fee. Immediately east of Lajitas on F.M. 170.