Aussois (French pronunciation: [oswa]) is a commune in the Vanoise massif, in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.

At 8 km (5.0 mi) from Modane, it is ideally located in the Maurienne region with good transport links in and out of Lyon, Geneva, Grenoble and Chambéry.

Aussois can also be reached from Turin via the Fréjus Road Tunnel, linking Bardonecchia in Italy and Modane.

[3] Nearby Gare de Modane is a large railway station with a high-speed service (TGV) Paris - Chambéry - Turin - Milan.

The average annual rainfall is 771.0 mm (30.35 in) with November as the wettest month.