Remarkable Sites

Locks, ports, watersheds, 4 consecutive locks... We can see the traces of the builders and boatmen of the 17th century. Some key elements of the Canal Royal des Deux Mers.

The Canal du Midi is exceptional for its landscape as well as for its works of art. Heritage lovers will appreciate the outstanding ensemble in Castelnaudary, made up of the port (or small basin), the Grand Bassin and the four St Roch locks. It used to be a major shipping centre where ships were repaired and goods were stored.

Locally, you should see the start of the Canal at the Seuil de Naurouze. Classified as a Grand Site, this large park opens onto an old octagonal basin which carries water to the watershed. The highest point between the Atlantic and the Mediterranean, this is where the water chooses its route. During your visit you will see the obelisk erected by the descendants of Pierre-Paul Riquet.

A few kilometres from the Seuil de Naurouze, you will arrive at Port Ségala, a small hamlet built by boatmen who settled there.

Don’t miss the Bistrot de Pays le Relais de Riquet !


Castelnaudary Port

Formerly a commercial port, it is now a marina. The port is still a place of exchange and meeting for travellers on the Canal du Midi


The Rigole du Canal

It collects the waters from the Montagne Noire. Flows from the St Ferréol basin to the Seuil de Naurouze


The Seuil de Naurouze

Riquet had planned to create an important port there with all services, based on the Place Royale in Paris…

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