If you prefer the bus... the Autocars Martin bus company will also take you to les Arcs, www.autocars-martin.com, tél. +33 (0)4 79 07 04 49.
To get from 1600 to 1800, 1950, 2000 and vice versa, regular free shuttle buses operate from 7.30 am to 7.30 pm.
From Bourg-Saint-Maurice, free regular shuttle buses are available for you ! They will take you to the foot of the Écudets chairlift (ski link to La Rosière), via Séez.
A free bus service also runs from Bourg St Maurice to Landry, via Hauteville-Gondon.
Fare paying buses to the other Haute Tarentaise resorts are available.
Information on www.autocars-martin.com.