Strike warning at the Montenvers Train

Strike notice has been given for the morning of May 10, 2025, filed by the trade unions of the Régie Départementale du Train du Montenvers.

If no agreement is reached before this date, it will be impossible for customers to access the Montenvers site on Saturday May 10, 2025 from 7.30am to 12pm. The gondola lift and the ice cave will open as soon as train operations resume.

For all information about the train:

Glaciorium

The Glaciorium

A space on glaciers

The Montenvers - Mer de Glace site is a true witness to the climate changes of our century, and deserved a space dedicated to glaciology!

  • The Mer de Glace

  • Its formation

  • Its history

  • Its future evolution...

This is what you can find out when you visit this interactive and educational site...

As part of the renovation program for the listed Montenvers site (new Public Service Delegation contract signed with the Municipality of Chamonix), we are pleased to inform you that major work has begun on the Montenvers site and will be spread over the next three years. Here are the main stages of the project

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The famous little red train takes passengers from Chamonix (1035 m) to the Montenvers station (1913 m) in 20 minutes. On arrival, the view of the Mer de Glace is breathtaking, bearing witness to the effects of climate change.

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