At 950 m above sea level, the 3 hectares of the ""Fanjan"" site are situated at the edge of the forestry road of La Fenêtre des Makes. Facing the Astronomy Observatory and surrounded by forests and mountains, the FOS centre is suitable for groups, individuals, children and hikers. It has two dormitories with 42 beds, one dormitory with 41 beds (including 5 studios for 2 people), one studio for 4 people, one studio for 2 people and one bedroom for 6 people. Capacity: 135 beds in dormitories and individual bedrooms. Group accommodation.