Park in the car park at Dionnay Town Hall.
(S/E) Follow the road towards Roybon, then turn right down Chemin de la Gare, marked in red and yellow. You will reach the Pinet crossroads. Take the left branch, which is the old tram line. Continue until you reach a road. Take this road to make a circular turn to the right, then leave it and quickly rejoin it.
(1) Cross this road and keep left on the tram line. Make another circular turn on the right and go under the short tunnel. You will then reach the crossroads at the hamlet of Ville d'Or.
(2) Continue straight ahead on the track and reach a crossroads with four perpendicular directions.
(3) Leave the red and yellow markings here and turn 90° left, following a pebble path that climbs uphill. Continue through the Dionnay Communal Wood to reach the forest road called Chemin de l'Estrat. Take it to the left and arrive at the Dionay Pond.
(4) Go around it on the right and follow the D20b on the left to reach the crossroads of a forest road.
(5) Carefully cross the 20b and take the forest road opposite. Go through the barrier and continue until you reach a five-way crossroads.
(6) Take the path on the left, and a few hundred metres further on, at thefirst crossroads, turn right. Stay on this path, ignoring the paths branching off to the right and left. You will come to a T-junction.
(7) Turn left, cross a small stream, go up the stone path and take a path on the right at the edge of the woods, bordering the meadows. Go around them, staying at the edge of the woods. You will reach a tarmac road. Take it to the left to reach the hamlet of Bourjonnière.
(8) Turn left and then immediately right to rejoin theGRP® Drôme des Collines marked in red and yellow. You will soon reach the Cottoyaux crossroads.
(9) Carefully cross the two roads and continue on theGRP® to return to the car park at Dionay town hall (S/E).

