Getting around in Chamonix
How to get to Chamonix
Chamonix Mont-Blanc is 2 hours from Lyon and 1 hour from Annecy and Geneva. At the border with Italy and Switzerland, it's a charming mountain resort with all the services of a small town.
Find out all about the best ways to get to Chamonix on the Tourist Office website.
Getting around during the event
Thanks to the partnership signed between Club des Sports, ATMB (Autoroute et Tunnel du Mont-Blanc) and the SNCF the 40,000 people coming to attend or take part in the event will be better supported.
For further information, please consult the transport guide below.
Runner transport
For the starts of the 90KM, 10KM and 42KM du Mont-Blanc a shuttle buses and trains free of charge UPON REGISTRATION for runners and their companions to reach Chamonix without using their car.
I would like to reserve my shuttle to get to the 90km, 42km and 10km starts.
Transport for accompanying persons
To enable accompanying persons to encourage participants at the various refreshment points, a reinforced transport system with dedicated shuttles is also planned during the event.
90km du Mont-Blanc - Friday June 27, 2025
This year, a train and a shuttle WITH REGISTRATION to Le Buet.
- Train: Departure 6.22 am from Chamonix station to Le Buet BOOK NOW!
- Shuttle: Departure 7.15 am from Chamonix station to Le Buet BOOK NOW!
Organized shuttles will then run between Le Buet and Emosson from 7:30am to 11:00am, then from Emosson to Vallorcine from 9:00am to 4:00pm (departing approximately every 15 minutes). Once in Vallorcine, you'll be invited to take the train back to Chamonix. So don't forget to bring your Carte d'Hôte!
23km du Mont-Blanc - Saturday June 28, 2025
Organization shuttles UPON REGISTRATION will run from the "Médiathèque" stop in Chamonix to Montroc between 8am and 9am. I RESERVE!
For the return journey, organization shuttles will run between Montroc, the Flègère gondola and the Planpraz gondola from 9.30am to 11.30am.
42km du Mont-Blanc - Sunday June 29, 2025
Organization shuttles UPON REGISTRATION will run from the "Place du Mont-Blanc" stop in Chamonix to the Tour between 6.45am and 8.30am. I RESERVE!
Organization shuttles will then run between Le Tour and Vallorcine from 8:30am to 11:00am, then from Vallorcine to Chamonix from 9:00am to 2:00pm.
Public transport in the Chamonix Valley
The Chamonix Valley is served all year round by a public transport network comprising various bus lines and the Mont-Blanc Express train.
Mont-Blanc Express train
The SNCF line serves all villages from Servoz to Vallorcine.
The train is free for holders of a carte d'hôte (given to you on arrival by your accommodation provider) or a carte Via'Cham (residents and workers of the Chamonix valley).
Mont-Blanc Express Train summer 2025 timetable
Bus - Chamonix Mobilité
The Chamonix Mobilité urban transport network serves the entire Chamonix valley, from Servoz to Le Tour.
The bus is free only for Via'Cham cardholders (Chamonix valley residents and workers).
However, you can benefit from discounts of up to 50% on bus tickets if you have a carte d'hôte (given to you on arrival by your accommodation provider).
Chamonix Mobilité bus timetable for summer 2025 More info on how to buy your tickets
| ATMB Ecomobility Partnerof the Mont-Blanc Marathon |
Committed to its region, ATMB supports numerous cultural and sporting events in Haute-Savoie, while encouraging initiatives in favor of sustainable mobility. As a facilitator of these moments that bring people together and energize local life, ATMB is proud to accompany events that promote the richness and energy of our beautiful region.
As a partner, ATMB provides its expertise to help organizers develop responsible mobility solutions: setting up shuttles, promoting carpooling, bike parks...
Since 2021, more than 8,000 people have benefited from the shuttles set up by ATMB and the Mont Blanc Marathon.
Discover ATMB's partnerships in 2025
To get to the Mont Blanc Marathon, don't hesitate to carpool!
- ATMB is making available all the car-sharing parking lots on its motorway network.
Discover ATMB's car-sharing parking lots
Find out how ATMB works with local partners to promote sustainable mobility
For Saturday, travel at reduced prices with the illico PROMO fare and enjoy a 40% discount on your TER journey, and for children under 12 it's free!