Explore details about location Sentier de Liaison du Causiat. Sentier de Liaison du Causiat is a location situated within the Urdos alongside other areas such as GR65.3, Piste bleue du Grand Tétras, Piste d'Arnousse. Additionally, some smaller parts of Sentier de Liaison du Causiat include specific areas like Sentier du Pas d'Aspe, GR11 - Senda de Camille adding to the diversity of its landscape.