Hiking and mountaineering associations have important social and political trajectories in the Basque Country. Visiting Scholar Haritz Monreal Zarraonandia (EHU-UPV) presented his research project titled “Basque Mountaineering During the Interwar Period” at the CBS Lecture Series. The lecture covered the interwar period, and detailed how the Basque mountaineering movement both reflected and constructed contemporary political and cultural moods. It also covered the activities and publications of contemporary mountaineering journals such as Jagi-jagi, Mendigoxale, or the Journal of the Basque Mountaineering Federation Pyreneica. Dr. Monreal traced the social motivations behind Basque mountaineering back to the ritual and religious dimensions the practice might have had in the Middle Ages, and situated it in European, particularly French hiking traditions.