Canal du Midi

Timeline

1. 1666Saint-Germain-en-Laye · Île-de-FranceLouis XIV signed a decree authorizing the digging of the Royal Canal of Languedoc connecting the Garonne to the Mediterranean, designating Riquet as contractor and granting him land expropriation, mill-setting, and tax-exempt 'fief' rights. The project served the grain trade and allowed royal galleys to bypass the detour around Gibraltar.
2. 1667–1680Naurouze summit and Montagne Noire · LanguedocThe project first built the Montagne Noire feeder canal, diverting streams into the Saint-Ferréol reservoir and then to the Naurouze summit, giving the canal water on both the Atlantic and Mediterranean slopes. Locks, aqueducts, and embankments proceeded simultaneously, employing about ten thousand workers at the peak. Riquet advanced funds from his tax-farming wealth; when he died in 1680 the main works were nearly complete.
3. 1681–1685Toulouse · ToulouseOn May 15, 1681, royal officials and representatives of the Languedoc Estates led a fleet from Toulouse via Béziers to the Mediterranean. Drainage and repairs followed, and the canal opened to commercial traffic in 1683. It became the main waterway for Languedoc grain, wine, and building materials, and established the Riquet family's operating rights.
4. 1685Along the Canal du Midi · LanguedocAfter the Revolution the canal was renamed Canal du Midi. Once the Garonne lateral canal connected the Atlantic side in the 19th century, the two-sea route was complete. Freight declined with the rise of railways, and the waterway turned to tourism and heritage corridors. In 1996 UNESCO listed the canal and its water supply system as World Heritage; the waterway is still maintained by France's navigation authority.