18 km from Montbovon along the left-hand bank of the Saane (Sarine), via Les Sciernes d’Albeuve, La Marive and Les Pechots to Gruyères; marked with a white "Trail of the Counts" logo. It takes you through seven villages with historic houses and chapels. There are information panels about the history of the buildings and the legends of the valley. Walking time: 6 hours, with a total difference in altitude of 735 m.