*Tinée-Vésubie* is a French hiking guide focused on the Tinée and Vésubie valleys in the Mercantour region of the Alpes-Maritimes. Published in the Fédération française de la randonnée pédestre’s topo-guide series, it presents practical route information for walkers exploring GR 52 and nearby trails around the Vallée des Merveilles. The guide is intended for hikers planning multi-day itineraries, with route descriptions, terrain context, and information suited to trekking in the Parc national du Mercantour. Its concise format and trail-oriented organization make it a useful reference for people preparing hikes in this alpine landscape, particularly those interested in the GR 52 section through Tinée-Vésubie.