Written for a nontechnical audience, this guide describes the Tuff Canyon area in detail and includes a glossary of terms that might be unfamiliar to non-geologists. Color photographs and sketches depict the geologic features, fauna, and flora of this part of Big Bend National Park. Geologic and topographic maps of the Tuff Canyon area provide a rich context for visitors who can explore the trails while learning about the landscape and history of the area.