Park in the car park of the Chapelle des Lieux Saints picnic area in Tahun, Guénouvry.
(S/E) Take the gravel road on the right and, at the intersection, follow the road on the left
(1) At the end of the bend, pass the embankment on the right and enter the woods. Follow the small path on the right and cross the quarry (only at weekends), then arrive on the D125, follow it along the grassy strip on the right.
Carefully cross the D42 road linking Le Gâvre to Conquereuil and enter the woods opposite via a small passage. Follow the path through the woods.
(2) At the exit, on the gravel road, turn right for 100 metres onto the road leading to the village of Tréguély, then turn left onto the path. At the Route de la Butte de Tréguely, turn right.
(3) Before leaving the woods, take the path on the right to the Boulargot road in Tréguély.
(4) Take the road on the left to the place called Boulargot. Before reaching the D125, which connects Guénouvry to
Guémené-Penfao, head towards the wide path on the right and continue to an intersection.
(5) Turn left and join theGRP® des Trois Rivières marked in red and yellow.
(6) At the intersection, follow the path on the right to the valley road and turn left towards the village of La Vallée. Follow the paved road to the Étang de la Vallée car park.
(7) From the car park, head back into the woods via the second small path, continue on theGRP® until you reach the junction with a new path.
(8) Turn left, leave theGRP®, and follow the path for about 500m until you reach a path on the right that leads to the Rocs de Gascaigne. Carefully descend the various steps and stairways to the path running alongside the Don. Turn left towards Gascaigne and, at the bend, you will find the road and theGRP® leading from Guénouvry to Guémené-Penfao. Take the path on the right (11m), leading to the racecourse, and follow the Don to the footbridge.
(9) Cross the Don via the footbridge and turn immediately right onto the path running alongside the Don for about 600m until you reach a bend to the left. Turn left at the intersection and walk up through the woods to the right-angle bend on Avenue du Paradis. Take the large path on your right, then the first path on the left after 50 metres. Follow this path to Grande Allée, then take it on the right for about 900 metres.
(10) Take the path on the right until you reach a small stream, follow it to the edge of the woods, then follow the path on the left until you reach the path crossing the meadow on the right. From here, you will reach the footbridge crossing the Don. After crossing the Don, take the Route de la Vallée on the left for about 180m and go up a small narrow path on your right. Join theGRP® and return to the crossroads you passed on the way there.
(6) Follow the path on the left to the Route de la Vallée, then turn right. You may see the Château de Juzet on the left and the mill on the Don. At the bend, follow the steep path on your left towards Le Tenou.
(11) After a sharp bend, at the entrance to a meadow, take the small path on the left and follow it through the woods overlooking the Don. Pass by a drinking water spring, then take a gravel road leading to the village of Tréguély.
(12) Turn left when you reach the road leading to the village of Tréguely, cross it and reach a right-angle bend.
(13) Leave theGRP® trail and follow the road to the right towards Guénouvry. Take the gravel road on the left. At the end of the road, turn left onto a descending path.
(14) Before reaching the road leading from Tréguely to the village of Les Rivières, turn right onto the path until you reach the D42. Take care when crossing the road.
(15) Turn right onto the D42 for 20 metres and turn left onto a small steep path until you reach the deserted road through farmland.
(16) Cross the road, then take the path opposite, at the edge of the woods, and follow the path up to the Chapelle des Lieux Saints (S/E).
