The Chamonix Valley has got several Tourist Offices. The main one in Chamonix has information for the whole Valley. If you are looking for information about the smaller villages you can go straight to their respective tourist offices.
Due to the replacement of the cables from the bottom of the Aiguille du Midi cable lift to the mid station, the Blanche route (RN1506) will be closed from 3rd to 27th November, between the Grépon roundabout and Fouilly road. The access to the service station and Carrefour Market will be possible through the Helbronner cross-road (the Closy Waste Center). Check out the map