Grands Mulets Hut
High-altitude mountain refuge on the northern side of Mont Blanc in the French Alps.
Last updated August 24, 2026
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Overview
Grands Mulets Hut, known in French as the Refuge des Grands Mulets, is a high-altitude mountain refuge in the Mont Blanc massif of the French Alps. It stands at approximately 3,051 metres above sea level on a rocky, pyramidal island at the meeting point of two streams flowing from the Bossons Glacier, on the northern side of Mont Blanc in France. The hut is owned by the Club Alpin Français and serves mountaineers using one of the historic approaches to the summit. The refuge is closely associated with the early climbing history of Mont Blanc. The first hut at the site was constructed in 1853, when the route over the Bossons Glacier and the Grands Mulets became part of the traditional northern ascent toward the summit. That original building was replaced in 1896. The present refuge was constructed in 1960 and formally inaugurated on 7 August of that year by Maurice Herzog, the French mountaineer and former president of the Club Alpin Français. Historically, the Grands Mulets route was one of the principal ways to climb Mont Blanc, following the general line used by the first successful ascensionists. Changes in glacier conditions, route popularity and climbing practices have altered its role. In contemporary use, the hut is particularly associated with ski mountaineering during the spring season. It can also provide a more sheltered alternative for descending from Mont Blanc than the heavily used Goûter route, although the descent beneath the hut involves complex glacier terrain. Access and use depend heavily on the condition of the Bossons Glacier. Crevasses, shifting seracs, snow bridges and changes in the glacier's surface can make the approach and descent hazardous. Fog can make route-finding especially difficult, and users need current knowledge of the glacier's condition as well as appropriate high-mountain equipment and experience. The refuge may be staffed during the summer when conditions permit, but its availability and operating arrangements are seasonal and can depend on the state of the surrounding glacier. Grands Mulets Hut is therefore both an accommodation facility and an important piece of Mont Blanc mountaineering infrastructure. It is not a conventional consumer brand with a broad product portfolio; its identity is rooted in high-altitude shelter, route support and the historical mountain culture of the French Alps. The official refuge site provides operational information for visitors, while the Club Alpin Français represents its institutional ownership and network context.
History
The Grands Mulets site occupies a rocky island in the Bossons Glacier on the northern side of Mont Blanc. Its position made it a natural stopping point on the historic route toward the summit, but also exposed the refuge to the technical and changing conditions of a high-altitude glacier environment. The first Grands Mulets Hut was built in 1853. It supported the development of the traditional northern ascent of Mont Blanc, a route associated with the early history of climbing the mountain and broadly following the line used by the first successful ascensionists. As mountaineering traffic and the needs of climbers evolved, the original structure was replaced by a second hut in 1896. The current refuge dates from 1960. It was inaugurated on 7 August by Maurice Herzog, a prominent French mountaineer and then figure in the leadership of the Club Alpin Français. The building continued the site's role as a high-altitude shelter and route base while reflecting the infrastructure requirements of modern alpine climbing. In the modern period, the Grands Mulets route has become less dominant for conventional summer ascents of Mont Blanc than the Goûter route. The hut nevertheless remains important for spring ski mountaineering and can serve as a comparatively sheltered alternative for descents from the summit. Its usefulness is inseparable from the condition of the Bossons Glacier: the approach and the terrain below the hut can contain crevasses and other glacier hazards, and routes may change as the ice moves. When conditions are suitable, the hut is staffed during the summer season. Visitors must account for seasonal access, weather, glacier movement and possible changes in the marked or recommended route. In poor visibility, navigation can be particularly challenging. The refuge's continuing significance comes from the combination of its historic association with Mont Blanc's earliest climbing routes, its strategic location and its role in contemporary ski-mountaineering and high-mountain travel.
- 1960
Present refuge built
[1]The current Grands Mulets refuge was constructed.
- 1960
Present building inaugurated
[1]Maurice Herzog inaugurated the current refuge on 7 August.
- 1896
First hut replaced
[1]The original refuge was replaced by a new structure as the route's mountaineering infrastructure developed.
- 1853
First hut constructed
[1]The first Grands Mulets Hut was built on the rocky island in the Bossons Glacier, establishing the site as a shelter on the historic northern route toward Mont Blanc.
Products and positioning
A historic, high-altitude refuge serving experienced mountaineers and ski mountaineers on the northern side of Mont Blanc, with use determined by seasonal access and Bossons Glacier conditions.
Mountain refuge services · 1853
Refuge accommodation
Seasonal overnight shelter for climbers and ski mountaineers operating in the Mont Blanc massif. The refuge's services are designed for high-altitude travel rather than general tourism, and availability can depend on staffing, weather and the state of the surrounding Bossons Glacier.
Mountaineering infrastructure · 1853
Mont Blanc route support
The hut provides a strategic stopping point on the historic northern approach to Mont Blanc. In contemporary practice it is used especially by spring ski mountaineers and by some parties descending from the summit, although glacier navigation below the hut requires suitable experience and current route knowledge.
Sources2 sources
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