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Origin and history

The Roman bridge over the Nivelle in Ascain, located in the Pyrénées-Atlantiques, is a work dating from the fifth century, the last century of the Roman Empire in Gaul. Built with three arches of uneven height, it supports a carriageway on the back of a donkey and presents a carved stone in the shape of a human head on the central pile, visible at low tide. This element probably served as a benchmark for measuring water level. The bridge is preceded and followed by a paved road, often referred to as a "Roman way", although its exact origin remains debated by local historians.

The bridge played a strategic role in historical conflicts, especially during the Spanish War of Independence in 1813. At that time, retired French troops destroyed one of its arches to slow down the advance of General Wellington's army. The structure also suffered major damage during the 1983 and 1994 floods, resulting in restorations to preserve its structure. Today, there remains an architectural testimony of the Roman presence in the region, while illustrating the local military and hydraulic stakes throughout the centuries.

Ascain, a nearby village, is marked by a rich history, linked to both its natural heritage (the Rhune, the Nivelle) and its role in cross-border trade with Spain. The region, formerly agricultural and mining, has seen its economy evolve towards tourism, while maintaining strong traditions such as Basque pelota and local festivals. The Roman bridge, inscribed in historical monuments since 1925, is part of this cultural and historical landscape, symbolizing both the ancient heritage and the subsequent transformations of the territory.

The route associated with the bridge, often referred to as Roman, could actually date from a later period, linked either to improvements to the roads of Santiago de Compostela by religious orders, or to the transport of ore between the local mines and the forges. This hypothesis is supported by researchers such as Jakes Casaubon, who stress the absence of documentary sources proving a strictly Roman origin. Despite these uncertainties, the bridge remains a key part of Ascain's heritage, attracting visitors and historians for its architecture and turbulent history.

Finally, the Roman bridge is now integrated into a protected natural environment, close to the Nivelle River, classified as a site of Community interest by the Natura 2000 network. This coastal river, at perceptible tides, and the surrounding landscapes, such as the Rhune, reinforce the tourist and ecological appeal of the region. The bridge, with its successive restorations, continues to connect the banks of the Nivelle, while recalling the historical strata that shaped Ascain and the French Basque Country.

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