Park in the car park in the centre of Doizieux.
(S/E) Cross the Ruisseau du Dorlay and turn left onto Rue du Moulin. At the junction opposite the school, turn right. At the hairpin bend, continue to the right until you reach Rue de la Tour. Turn left, reach Rue de la Bredouze, follow it to the right and you will soon find the start of a footpath on the left.
(1) Take this path and follow it, ignoring all turn-offs to the right or left, until you reach the hamlet of La Roche.
(2) Turn left to walk along the edge of the woodland, then enter it. Continue uphill through the woodland until you reach the GR®7, marked in white and red. You’ll arrive at the shepherd’s hut.
(3) Continue along the GR®, heading due south, until you reach a four-way junction.
(4) Turn slightly right to climb up to the Crêt de la Perdrix.
(5) Return to the previous crossroads.
(4) Leave the GR®, turn right and then immediately left to reach the Crêt de la Chèvre.
(6) Turn almost 180° to the left, pass the Crêt de l’Arnica, then reach the Chalet Bourguisan junction.
(7) Turn right and walk through the forest to the Col d’Étançon.
(8) Continue straight ahead across open ground to reach the Crêt de l’Étançon.
(9) Descend slightly to reach the Crêt du Rachat and its transmission masts.
(10) Continue north-east, now through the forest, until you reach the Crêt de Botte and its square tower.
(11) Join the road, cross the car park, and carry on to reach the Crêt de l’Œillon and its many facilities.
(12) Turn left at a 90° angle, heading due north, down a long, gentle descent followed by a final climb to reach the Col de la Trève du Loup.
(13) Continue due north. Stay on this path, ignoring the turn-offs to the right and left, until you reach the Collet de Doizieux crossroads with its many directions.
(14) Head straight ahead, due north, along the yellow-marked forest path and follow it to the Doizieux car park (S/E).