Maison des associations car park, Villette-de-Vienne.
(S/E) Head up Rue de la Forge to the right and turn right at the first junction onto Chemin du Molaret.
(1) Just after the Béal de Servanay stream, take the path on the left and follow the stream. Continue to the second junction on the left.
(2) Take a short, steep slope to the left, leaving the stream behind, and continue uphill until you rejoin the stream further up and follow it.
(3) Turn left and descend the steep section, then cross the stream and reach the Col de Bel Air road without taking it.
(4) At the pass, at elevation 324, continue along the road, ignoring the road to the left, then take the first path on the right until you reach a junction towards the Bois de Fauries.
(5) Turn left onto it and follow the sheep track north-east, then north. Pass under a power line and arrive at a fork at elevation 306, just before the water tower.
(7) Turn right, heading south, passing under the power lines again. Follow another track on your left for 300 metres, then turn right for 150 metres until you reach a fork at elevation 319.
(8) Turn left and head downhill (steep section) to the Béal de Servanay stream.
(9) Take a sharp right-hand bend, follow the stream upstream on the left bank, cross it and continue to the first path on the right.
(10) Follow this track south-west until you reach a road just before the Ferme de Château.
(11) Turn right onto this road, pass the farm and continue to the Château d’Illins.
(11) Head back down to the right, go round the hamlet of Le Molaret on the left and rejoin the Béal de Servanay stream.
(1) Follow the route back along the opposite side of the path you took on the way there until you reach the car park at the Maison des associations (S/E).