In spring, I went to Le Grand-Bornand and walked a loop around Mont Lachat de Châtillon. I also took a chairlift to the summit while I was there.

Here is the path I followed (download KML):

In the morning, I took a LIHSA bus from Annecy to Le Grand-Bornand. I walked to the station of Télécabine du Rosay, which is open from mid-June until mid-September. I boarded a cable car then switched at La Côte for the chairlift of Téléphérique du Mont Lachat, which took me to the summit of Mont Lachat de Châtillon. There was a great view from up there: All the Aravis, the Chaîne du Bargy and even La Tournette could be seen. I took a chairlift down and started on the trail. The first part to Col de Châtillon went around Roc des Arces through the forest. Then, from the Col until Le Vacheret, I followed a chalet access road. Along the way, there was a good view on the Aravis. After that, until Lac de la Cour, the path was on ski-slope maintenance roads, then, until the Rosay gondola station, a chalet access road again. Finally, I took a cable car back to the village in order to catch the bus back to Annecy.

Above, Mont Lachat de Châtillon seen from the summit of Pointe Percée.

Above, Eglise Notre-Dame de l’Assomption, in the village.

Above, boarding a cable car at the Rosay gondola station.

Above, Pic de Jallouvre.

Above, Télésiège du Lachat, a chairlift that goes to the summit of Mont Lachat de Châtillon.

Above, Tournette.

Above, at the summit of Mont Lachat.

Above, Pointe de la Grande Combe and Col des Anes.

Above, Pointe Percée, the highest peak in the Aravis.

Above, Aiguille Vert and Buclon.

Above, Mont Lachat de Thônes. With multiple mountains called Lachat in the area, it can get confusing… See also the Lachat in Dingy-Saint-Clair.

Above, Roc de Charmieux.

Above, there is path to the top of the small bump near the chairlift station.

Above, Lac Du Maroly.

Above, Aravis.

Above, Vallée du Bouchet.

Above, Col de Châtillon and Roc des Arces.

Above, on the way down.

Above, Roc des Tours and Aiguille Verte.

Above, on the path to Col de Châtillon, around Roc des Arces.

Above, start of the forest trail.

Above, Roc des Arces.

Above, Chalets de Châtillon.

Above, Mont Lachat.

Above, goats.

Above, I made a detour to Col de Châtillon.

Above, view on the other side of the Col.

Above, chairlift station at the top of Mont Lachat.

Above, Tête du Danay.

Above, the path follows a chalet access road until Le Vacheret.

Above, Pointe de Tardevant.

Above, more cows.

Above, Pointe de la Grande Combe and Pointe d’Almet.

Above, Col des Anes.

Above, Aravis.

Above, Le Vacheret.

Above, on the other side of the pass.

Above, the path followed ski-slope maintenance roads.

Above, Lac de Maroly.

Above, Pointe de la Grande Combe.

Above, Mont Lachat.

Above, Pointe de Deux Heures.

Above, Lac de la Cour.

Above, Lac de la Cour.

Above, Aiguille Verte.

Above, Pic de Jallouvre and Pointe Blanche.

Above, fishing.

Above, Aiguille Verte.

Above, Croix du Châtelet.

Above, Roc des Arces.

Above, summit of Mont Lachat de Châtillon.

Above, on the Rosay cable car to the village.

Above, Chinaillon torrent, back at the village.

Above, Aravis.

Above, on the way to the highway bus station.

Above, cow graffiti near the station.