Built in the 18th century, Fort du Chay was integrated into the German defense system in 1940. Thoroughly rebuilt by the German occupying troops, who replaced the old facilities with blockhouses, it formed a lock at the mouth of the river mouth with the fortifications of the Pointe de Grave.
This impressive defense system was almost completely destroyed in the bombing raids of 1945. Only a few log houses remain.
The first fortification projects for Pointe du Chay date back to 1772, counterbalanced on the other bank by Fort du Verdon. But it was not until the battle of 1811 that the military authorities were convinced to fortify the point. However, in 1757, Marshal Senectere, Lord of Didonne, had a defensive element built a little further south of Fort du Chay. He had opened a strategic route to protect the mouth of the estuary.
A fort comprising star-shaped bastions was built between 1811 and 1812. It was recaptured by the English in April 1814 and partly destroyed. It was not until the Second Empire that the fort was considerably improved. In addition to the rebuilt embankments, a redoubt derived from the crenellated towers of the 1846 type was built between 1859 and 1860. It served the battery.
The battery was remodeled between 1875 and 1877 at the same time as that of the Fort de Suzac. This new battery included eight cannons that would not evolve again until the Second World War. They were divided into four 24cm cannons and four 27cm cannons. One of the vats is disproportionate and seems to indicate that it was planned to install a larger piece there. A fire control post was probably built after 1920, perhaps at the same time as the Arros battery around 1937. It does not appear on the aerial photos of 1920 and is located in front of the firing positions. According to some sources, the Fort du Chay was equipped around 1930 with 75 model 1897 cannons (to be confirmed). The Fort du Chay redoubt would have a hardly more favorable fate than the one near the Fort de Suzac. Integrated into the improvements made to the fort at the end of the 19th century and then at the beginning of the 20th century, this structure would remain until the fort was integrated into the Atlantic Wall around 1942. In 1920, the fort was partially disarmed since only seven of the eight cannons and a reduced garrison remained. At the end of the Second World War, the Fort du Chay redoubt, the oldest vestige of the fort, was literally cut in two by the bombings of 1944 to 1945. Although in 1946, the site remained as it was, it was the object of much covetousness from 1950. The site was largely razed between 1956 and 1957 to make way for a program of 120 housing units. In 1959, it was used temporarily by an equestrian center using a large part of the star-shaped glacis of 1811.
Of the first star-shaped fort (1811), only a few things remain today.
In 1859 its plan was redesigned with a solid ground facing the sea separated by a large ditch cutting the fort in two.
The redoubt is cut off and allows the access bridge located to the north to be monitored. This redoubt has the particularity of having a specific plan. It only has a machicolation on three of its sides to the north (inland side) and on its two short sides (east and west).
The tour of the solid ground is reinforced by a large masonry wall now. At the rear, the star-shaped device protects against attacks coming from the land.
The site was affected by erosion and especially lost its relief after the Second World War. The battery line is still visible from the air and on the ground, only a few German and French bunkers are still outcropping. They are inaccessible.
Transformed into a promenade, the site borders the coastal path that starts from the port of Royan and continues to the Grande Côte. Today, nearly 75% of the militarized surface of the late 19th century is occupied by residences and the Cordouan Thalazur hotel. The site still has some visible remains, mainly of French origin
Translated by Google •
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