A practical guide to via ferrata as an outdoor mountain activity, this book introduces the equipment, techniques, route use, and safety practices needed by beginners and recreational climbers. It explains how the sport fits into mountain environments, with attention to rock conditions, exposure, and the responsibilities involved in moving safely through shared outdoor spaces. The title’s emphasis on knowing and practicing via ferrata suggests a focus on both basic preparation and applied use in the field. Readers can expect guidance on how via ferrata differs from ordinary hiking and technical rock climbing, as well as what preparation is needed before attempting routes. The work is best understood as a concise instructional reference for French-speaking outdoor enthusiasts interested in learning the fundamentals of this form of mountain recreation.