On the stretch of canal that runs from east to west through the Hérault area, you'll find a succession of unmissable feats of engineering:
- The MalpasTunnel: the first tunnel
in the world dug for a canal, close
to the Oppidum d'Ensérune.
- The 9 Fonséranes locks in Béziers : a veritable water 'staircase', compensating for a difference in level of 21.5 m over slightly more than 300m.
- The Pont-Canal in Béziers, where the canal passes across the Orb coastal river.
-The Ouvrages du Libron in Vias, an unusual series of lock gates and sluices built to divert the path of the river to cross over the canal.
- The Ecluse ronde d'Agde (Agde round lock): built of volcanic rock, this totally unique lock is a navigable crossroads for three waterways (the Canal du Midi, and the Hérault and Canalet rivers).
- The Pointe des Onglous is the journey’s end, and symbolic of the place where the waters
of the canal finally join those
in the Etang de Thau.