From the port of Colombiers, take the route de l'Oppidum in the direction of the Tourist Office, and experience the history of the Malpas tunnel, the only tunnel on the canal (by the Hérault à Vélo 08 loop). Go to the Oppidum d'Ensérune and enjoy a visit to the outdoor trail and the excavations. Go back down to Malpas and take the greenway to Cazouls-les-Béziers. You will go around the dry pond of Montady and cross, among others, the vineyards of Soustres and Grande Canague.
In Cazouls, have a picnic at the old railway station or have lunch in a local restaurant. Stroll through the narrow streets, admire the listed porch of the church, and ask to visit the heritage room! After this break, head for Maraussan on the RD14, where you can visit the Perdiguier wine château or book a private tour of the historic cellar of the Vignerons du Pays d'Ensérune, before heading south towards Lespignan on the route de Poussan, then the voie communale 13 and finally the route de Lespignan. Here the vines have their feet in the water in the pond of La Matte!
Overnight stay in Nissan-lez-Enserune at the Hôtel Résidence and dinner at the restaurant O'33, or at the campsite Le Domino.