Park at the Pré d'Orcel car park, which is clearly signposted from the hamlet of Les Prés in the commune of Sainte-Marie-du-Mont.
(S/E) Follow the track extending from the car park for a more gradual climb. Continue to the Cabane de l'Allier.
(1) Continue straight ahead uphill and reach the Col de l'Alpe.
(2) Turn right to reach the Croix de l'Alpe, located at the summit with the old Isère-Savoie boundary markers.
(3) 360° view, with Mont Blanc to the east towering above everything. Retrace your steps along the uphill route to the Cabane de l'Allier.
(1) Turn right onto the path, which is steeper than the track used on the way up, and which leads back to the Pré d'Orcel car park (S/E).