GPS coordinates of the starting point: 43.689352, 6.712696
Place Saint-Sébastien: free parking
(S/E) From Place Saint-Sébastien, walk past the town hall and along the square on the right. Cross the village from south to north, first turning left then right to reach Rue Jean Vadon. At the end, continue straight on Rue Pierre Porre until you reach the end.
(1) At the Plus loin Fontaines crossroads, take the second road on the right: Route de Callian (D56). Immediately turn left towards the Barriguetou neighbourhood.
(2) At the crossroads, take the road on the left (signposted "Sentiers des Mégalithes"). At letterbox No. 695, leave Chemin des Ferrages on your left, then another path. Further on, you will arrive at the Chapel and Oratory of Saint-Pierre.
(3) After the chapel, leave the marked path on your right (ignore the yellow cross). Continue for 70 metres along the small road and, on your right, a sign indicates the Riens dolmen, hidden 50 metres away in the vegetation. Take this path to reach the dolmen.
(4) Return along the same route to the starting point (S/E).