Refuge de la Balme Dessous

Refuge de la Balme Dessous sits at 1,350m in the Isère, in the foothills of the Chaîne de Belledonne. The hut anchors several valley-floor walking routes and serves as a base for climbers accessing rock on the Chaîne itself. Approach on foot from the Vallée de l'Eau d'Olle; the trek is moderate and takes 2–3 hours depending on your parking spot and exact route. Winter access is possible but conditions dictate—check locally before heading up.
The refuge is small and maintains a working-hut atmosphere. Capacity is around 30 people. Meals are available and accommodation is dormitory-style. Water and basic toilets are standard. The season runs May to October, with weekend service only in shoulder months (May and September–October). In summer (June–August) the hut opens daily. Staff can advise on conditions and route options in the Chaîne, including scrambles and single-pitch climbing.
Book directly by phone or email with FFCAM (Fédération Française des Clubs Alpins et de Montagne), which manages the hut. July and August fill quickly; reserve 6–8 weeks ahead if you're coming then. April to June and September are easier. The hut is popular with families and local climbers, so weekends in high season are busy. Mid-week visits give you more breathing room.