Park in the car park in front of the war memorial in the centre of Aiglepierre.
(S/E) Opposite the war memorial, turn right then left to follow Rue du Stade. At the end of this street, follow the D105E on the left for about 50 metres. Cross the level crossing.
(1) Immediately afterwards, turn right at an acute angle. Continue along this path which runs alongside the railway line and then winds up to the left.
(2) At the fork, turn left and continue climbing up a path to reach the top of the hill (GR® 59 white and red markings).
(3) Be careful not to miss the hairpin bend to the left: the path "straight ahead" (not shown on the IGN map) is marked with a red and white cross, but you need to pay attention. You will then reach a large pasture; turn left.
(4) At the crossroads, continue straight on towards Le Courtillat and descend towards Pretin, still on the GR®. In Pretin, turn left and then immediately right onto the D271. A short break in the village centre will be welcome.
(5) A few hundred metres after crossing the village, continue straight ahead and take the road that climbs up to the left at a right angle. Ignore the road that climbs up to the left (elevation 460) and continue to the next three-way junction.
(6) Continue on theGR® trail that climbs to the right towards Fort Saint-André. A slightly steep climb will take you to the Adventure Park (picnic tables) and the fort.
(7) Take the time to explore the fort and the viewpoints: the surrounding area has recently been cleared. Then take the same path as on the way up to return to the crossroads.
(6) Continue straight ahead, then turn left just before Grange Salgret towards "La Croix". After a left turn, a straight, steep climb through the forest awaits you to reach the top of the Château hill, where you will be rewarded with the sight of a huge undergrowth of daffodils, depending on the season.
(8) At the crossroads (left towards Pretin and right towards Marnoz), continue slightly to the left, into the field, to reach and cross the ruins of a medieval castle. Pass in front of the more recent (rebuilt) chapel and reach the cross at the top for a beautiful view, particularly of Pretin
(9) Turn back to the crossroads.
(8) Begin the steep descent towards Marnoz, which can be slippery in wet weather.
(10) Turn right to follow the stream, then at the first crossroads in the village, turn left at a right angle into Rue de l'Église. Then take the second street on the right, cross the D105 (Rue Pasteur) and immediately take the first left to reach Rue des Bourgeons.
(11) Turn left, then left again at the crossroads. The street turns into a path, which you follow, turning right at the first crossroads with another path.
(12) Go under the railway line and continue left to reach Aiglepierre via Chemin du Breux. At the end of this path, return to the main street and turn right at a right angle to return to the car park (S/E).