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Origin and history

The Royal Corderie de Rochefort, built in 1666 under Louis XIV, is an emblematic building of Rochefort's maritime arsenal. With a length of 374 meters, it was Europe's longest industrial building until the 20th century. Its role was crucial: to make ropes for warships, requiring up to 100 km of cables per ship. The building, designed by architect François Blondel, was erected on a marshy ground consolidated by an oak wooden radier, a major technical challenge for the time.

The Corderie reached its peak between 1669 and 1862, producing ropes for nearly 550 ships, including L-Hermione and La Méduse. It used hemp imported from France and the Baltic Sea, transformed on site into wires and then tarred cables. The industrial revolution and the abandonment of sail propulsion led to its closure in 1862. The site was then converted into a military annex, Armoury School, and Museum of Models, before being partially destroyed during a bombing in 1944.

Saved from the ruin by Rear Admiral Maurice Dupont in the 1960s, the Corderie was listed as a historic monument in 1967. Restored between 1973 and 1988, it now houses the International Sea Centre, a media library, and the headquarters of the Conservatoire du littoral. Its permanent exhibition, renovated in 2017, traces the history of ropes and the Royal Navy through interactive demonstrations. The surrounding gardens, like the Return Garden, complement this major tourist site, attracting more than 100,000 visitors annually.

The building symbolizes the golden age of French shipbuilding under Colbert. Its unique architecture, craft manufacturing techniques, and its role in the renewal of the Royal Navy make it an exceptional testimony of the maritime industrial heritage. The Corderie is also a place of memory for technological innovations, such as the Diver, the first motor submarine tested in Rochefort in 1863.

Today, the Royal Corderie combines historical preservation and cultural dynamism. Its temporary exhibitions, boating courses, and landscaped spaces make it a magnet for maritime history enthusiasts and families. The site, which is part of the Rochefort arsenal alongside the replica of L-Hermione and the National Marine Museum, perpetuates the legacy of this 17th century strategic port.

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