Opening dates : Summer 2025 - 24 may to 2 november
At the initiative of the UN, 2025 has been declared the International Year of Glacier Preservation.
The Chamonix valley is greatly affected by this problem, as it is home to the second largest glacier in the Alps and the largest in France, along with the Mer de Glace.
Perched at an altitude of 1913 metres, this colossus with feet of clay, nearly 7 km long, has become a global symbol of global warming.
+ info on the annual program : https://www.chamonixglaciers2025.com/
On 29 August 1879, the Petit Dru (3,730 m) was conquered! It was a feat that would go down in the annals of mountaineering. Jean Esteril Charlet Stratton, Proper Payot
Discover Montenvers Mer de Glace: A Must-See in Chamonix Located in the heart of the Mont Blanc massif, the Montenvers Mer de Glace is one of the most breathtaking sites
In 1825, Victor Hugo, just 23 years old, discovered Montenvert (as it was spelt at the time) and the Mer de Glace. (August 16th 1825) To carry out his excursion
Opening dates : Summer 2025 - 24 may to 2 november
Durant 4 mercredis – 17 et 24 septembre et 8 et 15 octobre – profitez de -30%* sur votre billet aller-retour train pour le train du Montenvers.
Une occasion unique de vivre une expérience inoubliable tout au long du spectaculaire trajet et face à la majestueuse Mer de Glace et aux sommets mythiques des Alpes.
Last ascent
4.00 pm
Last descent
4.30 pm
Last departure from Chamonix
to visit the ice cave
2.30 pm
A train every hour or every 30 – or 20 – minutes depending on demand.
Departure 9.00 am optional – depending on numbers
Closure of the ice cave from September 29.
Gondola lift closed from 29/09 to 18/10.
