Running loop - Black loop

At La Sardagne Bridge, stay on the right bank of the Arve river and follow in towardThyez's Lakes. Before the footbridge that goes to the outdoor activities center, turn right and go back up the canal until the railway. After few hundred meters, you will be able to cross it with an underground and go back up the street "Rue du Dr Callet" until Stéphane Cartier Market Gardener. From here, take the street on your right "Chemin des Quarts" and then, turn left until the shooting association. Go back down on the street "Avenue du Noiret" and take left the street "Avenue du Grand Massif" toward the Chatillon's Pass and the supermarket Lidl. From here, take the road passing behing the old supermarket on your left to get to "Boulevard du Chevran" street. Follow this street, passing by the A&E and the Medical Center until you reach the railway. Cross it and go into the narrow street until you reach the Allobroges Plaza. Cross the plaza using the underground under the "Rond Point de l'Europe" roundabout and cross the Arve River with the Pont Vieux (old bridge). On the left bank, follow straight passing by Somfy offices until the Mont Blanc Roundabout and turn right to cross the bridge "Rue des Buttes". After the bridge, turn imediately left to get to the bicycling path. Follow the river until you reack your starting point.