Opening dates : Summer 2026 - 01 june to 01 november

Tourism professionals

Are you a travel agent, coach operator, manager of an accommodation structure?
Take advantage of exclusive advantages by booking your excursions to La Mer de Glace via our group service and offer your customers a memorable experience combining the quality of the welcome and the exceptional setting!

Your benefits

A single rate, the “Reseller Rate”, offering you a minimum of 5% discount from 20 people per booking

Additional discounts, depending on the number of tickets purchased annually!

Reservation of departure time and seats on the train. 

On the day of your visit, your tickets are prepared and waiting for you!

Skip-the-line access for skip-the-line boarding!

Our services +

An email and telephone reception 7 days a week in the season

Follow-up of your account and your personalized files

Zero administrative fees!

Contact us!

Do not hesitate to contact us by sending your requests via the form below.

Mandatory fields are indicated by an asterisk *

© Société Secrète – Régie Départementale du train du Montenvers

Opening dates : Summer 2026 - 01 june to 01 november

In May and June, take advantage of our great deals

30% off on your return ticket and the ice cave excursion on selected Mondays and Wednesdays in June

Opening hours From 05/23 to 07/03

Wednesday 10 June: The ice cave will open at 10.45 am instead of 10.00 am due to maintenance work.

 

Open every day 8:30 am – 5.00 pm

Last ascent : 4.30 pm
Last descent : 5.00 pm

1st departure at 8.30am. 9.00am train optional (depending on numbers)
A train every hour or every 30 – or 20 – minutes depending on demand.

NB:

Last departure from Chamonix to visit the ice cave : 3.00 pm