Coming from Collonges-lès-Bévy, park at the entrance to Détain-et-Bruant on the D109 next to the wash house.
(S/E) Set off along the road towards the village and turn into the first street on the right to reach the town hall.
(1) Turn right and, taking care, cut across the D8’s hairpin bend via a footpath, then follow the D8 to the left until you reach a path on the left.
(2) Take this track, which, depending on the season, may be overgrown with tall grass at the start. Continue straight on, passing a track on the left, and enter the forest. Pass the first path on the right and then continue for 250 m.
(3) Turn right onto the straight path heading due north which, at the 601-metre mark, curves north-east and comes into view of a hut.
(4) Turn left onto the track, heading west, and pass the first track on the right.
(5) Turn right onto the straight track, which passes through a slightly karstic area before joining the D8; follow this to the right for about 100 metres.
(6) Turn left onto the Route Forestière de Roche Chèvre, follow it for 2 km, then turn right onto a steep, narrow path leading to the Grotte de Roche Chèvre.
(7) After visiting the cave, head back down the path and rejoin the forest road heading north-east until you reach a junction.
(8) Take the hairpin bend to the right onto the track heading south-west, then due south, and continue until you reach a Fork in the road.
(9) Turn left towards the east, then south, until you reach the D104; follow this for 50 metres until you reach a junction.
(10) Carefully turn right onto the D104 towards Détain-et-Bruant, pass a poultry farm and arrive at the entrance to Le Poiset.
(11) Turn left to head along a field, bordering a strip of woodland. This section may also be overgrown with tall grass. Enter the Bois de Pierre Saux for a few metres.
(12) Turn right onto the signposted path at the edge of the woodland (Route de Pierre Saux), which leads back to Détain-et-Bruant and continues along a street.
(13) At the cross, head down to the left, carefully crossing the bend in the D8, and arrive at the town hall.
(1) Return to the car park via the streets you took at the start (S/E).