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Parking is available in the chapel car park in Granges
(S/E) Join the main road and follow it to the right towards the mill. A little further on, in a hairpin bend, there is a picturesque waterfall when it has rained in the previous days. Continue along the road for about a hundred metres.
(1) Take the path on the right, signposted Heyriat. The climb is steady and sustained. You will arrive at a stele dedicated to the Maquis.
(2) Continue along the path on the right and keep climbing.
(3) At the intersection, turn right. The route to Heyriat is then fairly straightforward, continuing southwards.
(4) You will come out onto the D11d. Follow it to the right to cross Heyriat. After about 150 m, first turn left then right to follow the D11e.
(5) When the road turns left, turn right onto a path.
(6) Take the path on the left. After several bends, you will reach an intersection.
(7) Turn left at an acute angle and descend.
(8) At the intersection at elevation 378, there are two options:
- Continue straight ahead on the very passable path that descends to Bonbois.
- Follow the suggested route to the left: take a more slippery path that leads to the Pisse-Vache waterfall. The entrance to the path is wide, but it quickly narrows to a trail. On this trail, there is some vegetation and you will have to climb over a tree and some rocks blocking the path. It is not particularly difficult. In the first part of this ascending path, do not take a path that veers off to the left, but take a narrow path to the right between two tree trunks in a V shape. A small cairn marks the passage and, just above this intersection, an orange and white plastic ribbon is tied to a branch (do not continue in this direction).
(9) After the Pisse-Vache waterfall, continue to the right heading west and cross a ford.
(10) Descend to the left towards Bonbois. At the first cross, turn left and at the second, turn right.
(11) Cross the main road (D91) with caution and continue left on Chemin du Port. This small road soon turns right and leads to the banks of the Ain, where there is a housing estate.
(12) Continue along this road, which runs alongside the River Ain and turns into a path for the return to Granges.
(13) In Granges, cross the main road with caution and take Rue de la Vieille Fontaine opposite, which leads back to the chapel, your starting point (S/E).
). We had to go back down to finally find it, as the GPS track was not very reliable. That said, the waterfall is really worth it when it is well fed, as was the case today.
. The path downhill is easy to find thanks to the description of the V-shaped tree and the small cairn on the left of the path.
Visorando member
Easy 
