Mountain Base, 108 avenue de l'Aiguille du Midi,
74400 Chamonix Mont-Blanc
The agency is situated in the centre of Chamonix in the semi-pedestrianised zone, amongst Chamonix's shops, bars and restaurants and just a couple of hundred metres from the infamous Aiguille du Midi cable car.
Mountain Base, 128 rue de l'Eglise,
74310 Les Houches
The agency is situated on the main road near Les Houches village centre, steps away from the church and the town square.