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Origin and history

The dread of Biscarzoun, situated on horseback in the communes of Saint-Pée-sur-Nivelle and d'Ascain, is part of the network of fortifications erected in the 1st quarter of the 19th century to defend the French-Spanish border. It is part of a larger scheme of more than twenty dreads spread over the communes of Ascain, Sare, Urrugne, Saint-Pée-sur-Nivelle and Biriatou, designed to counter the offensives of the Anglo-Hispano-Portuguese coalition troops led by the Duke of Wellington in 1813. These works, often perched on heights, adopted various forms (toileate, polygonal or ovoid) adapted to the local topography, such as Biscarzoun, an irregular heptagon of 650 m2.

The dread of Biscarzoun, juried at 185 meters above sea level, overhanged the town of Ascain and allowed a panoramic observation of enemy movements. Built summarily with rock blocks and arc trenches to cover the dead corners, it was designed as a shelter for infantrymen, although its ability to counterattack was limited. During the allied offensive of November 10, 1813, it was abandoned without combat, probably on the order of General Taupin, whose troops (including the 47th line) occupied the dreads of Ascain. Its inscription in historical monuments in 1992 shows its importance in the military history of the Basque Country.

The historical context of the dread is marked by the Napoleonic wars and the campaign of the Western Pyrenees. In 1813, after the French defeats at Vitoria and Sorauren, Wellington launched a major offensive to break through the French lines of Marshal Soult. On November 10, allied troops, with 40,000 men, pushed the French defences around Sare and Saint-Pée-sur-Nivelle, forcing the soldiers to retreat in disorder. Biscarzoun's fear, though strategic, played only a minor role in these events, unlike other works such as Zuhalmendi or Bayonnette, where the fighting was fierce.

The dreads of the area, including Biscarzoun, illustrate the fortification techniques of the time: dry stone constructions, ditches, and parapets adapted to the Pyrenean reliefs. Their gradual abandonment after 1814 and their varying conservation status today reflect both their ephemeral usefulness and their integration into the local landscape. Biscarzoun's dread, although less known than others, remains a tangible testimony to the military strategies used to defend the south-west border of France during the Napoleonic wars.

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