Park in the small car park at the entrance to the street opposite Martrois Town Hall.
(S/E) From the town hall, go up the main street, then keep right towards the church and take Rue de l'Église.
(1) At the church, take Rue de Civry, then at the end, go up the small road on the right. Pass in front of the farm building, then turn left onto the path just next to the farm entrance.
(2) At the three-way junction, turn left onto the path that runs alongside the field where agricultural equipment is stored. Continue along this stony path, which soon reaches the ridge with a beautiful view. The path continues through a wood.
(3) At the entrance to the bison park, turn right onto the small path that runs alongside it. Follow this path until you see a small stone building on your right: this is the Saint-Jean Chapel.
(4) After seeing the chapel, return to the path and continue along it until you reach the carriage road, where you should turn left. Continue along this path towards the village until you reach the small road.
(5) Turn right three times, then take Rue du Château until you reach the castle.
(6) At the castle, retrace your steps and take Rue de l'Église on the right.
(7) At the church, follow Rue du Presbytère, then continue to the right and continue until you reach a three-way junction with a path on the left. Take this path.
(8) At the end, turn left and continue uphill, then turn right where there is a small wall with a collapsed section at the beginning. Continue, keeping to the left twice.
(9) At the crossroads, follow the path that curves gently to the right. At the end, continue to the right on the wider path. At the end, turn right, then right again at the crossroads.
(10) At the hiking signpost, turn right towards "Martrois". Continue along this path, keeping to the right in the bend, until you reach the spring with three cascading drinking troughs.
(11) About 70 metres after this spring, take the small path on the left, then continue in a north-westerly direction.
(12) At the crossroads, continue straight ahead until you reach the small road.
(13) Turn right towards the stone bench. After the bench and just after the low wall, turn left onto a steep path, then right towards the church. After going around the church, follow Rue Sainte-Marie, which continues onto Grande Rue, leading to the car park (S/E).