When does the sun set in Chamonix-Mont-Blanc, France? You’ll find it here. Chamonix (Chamounix) is a commune in south-eastern France, in the Auvergne-Rhône-Alpes region. It is located right next to the famous Mount Blanc. Chamonix is a popular destination for skiers and mountain enthusiasts. Want to know when it gets dark at your location? See our homepage.