Drive from Les Houches station along the Coupeau road to the hamlet of La Flatière. Park along the road at the entrance to the hamlet.
(S/E) Follow the road up through the hamlet of La Flatière to the entrance gate of the Foyer de la Charité
(1) Take the path on the right to Plan de la Cry.
(2) Turn left, north-west, onto the shortest route. Follow the signs to Aiguillette des Houches, always choosing the shortest route. As you climb, an exceptional view gradually opens up towards the lower Arve valley on your left. Reach the Pierre Blanche at an altitude of 1,697 metres.
(3) Turn right, continuing to follow the arrows towards the Aiguillette until you reach the top of the ridge.
(4) Go around the Petite Aiguillette des Houches, leaving it on your left. A traverse then leads to the foot of the final climb to the Aiguillette. During the traverse, you may need a walking stick to safely negotiate a few sloping sections and reach the summit of the Aiguillette des Houches (breathtaking 360° view).
(5) For the descent, follow the route south via the Chalets de Chailloux.
(6) Continue opposite, south-west, to the Plan de la Cry, which you passed at the start of the hike.
(2) Finish the descent by following the same route as on the way up to reach the (S/E).
Start of the hike at 9 a.m. Beautiful weather. We chose the shortest route.