Park in the car park in front of the Castries dojo.
(S/E) Take the path that starts at the end of the car park on the right and walk alongside the tourist residences on your right. At the corner, turn left.
(1) When you reach the wide path at the foot of the aqueduct, turn right and walk along it, staying at its foot. The path rises very slightly and the arches of the aqueduct become lower. You will come to a small hydraulic structure that marks the beginning of the canal.
Continue straight ahead to follow it. At the junction with hill 74, continue straight ahead.
(2) On your left, 4 or 5 metres from the canal, you will see a small structure that was probably used as a drinking trough. Continue along the canal.
(3) The canal disappears underground. Continue to the right on the wide path. The canal reappears briefly and then disappears again. At the fork a hundred metres further on, take the path on the left that runs alongside a truffle oak plantation and a pasture with Camargue cows and join the road.
(4) Turn around and take the same path back.
(3) Instead of following the canal, continue straight ahead and join the Grande Traversée de l'Hérault trail (green signpost marked Hérault).
(5) Turn left and keep going in the same direction, following the signs and ignoring the paths branching off on either side. You will come to a T-junction.
(6) Turn left at a 90° angle and you will soon reach a large crossroads not far from the path you took on the way there (cote74).
Turn right onto the track that leads to the aqueduct. Pass underneath it and follow the same path as on the way there to return to the Castries dojo car park (S/E).