(S) Follow the Route de la Fée Viviane to the pond.
(1) Turn left (south) and follow theGRP® Tour de Brocéliande (yellow and red markings).
(2) Join theGR®37and follow it to the right along the Aff stream (upstream). Continue through the woods.
(3) Leave the Aff. Before the D40, turn right. Come out onto the D40 and follow it to the left for 250m.
(4) Cross the D40 (take care) and continue straight ahead uphill. Pass the village of La Guette.
(5) At the intersection (calvary, hiking sign indicating the direction of Château de Trécesson), leave the road via the path that descends to the right. Then take a variant ofthe GR®37, which allows you to quickly reach Val sans retour.
(6) Return to the mainGR®37route and descend Val sans retour to the Miroir aux fées pond (admire the Arbre d'Or).
(7) Use the small wooden footbridge to rejoin the path (still theGR®) which climbs up the rock.
Follow theGR® and descend to the village of Tréhonteuc (E).
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