Vestige majeur of the medieval fortifications of Libourne, the Porte du Port raises its two round towers facing the Dordogne — the last guardian of a bastide town shaped by the Plantagenêts.
The Porte du Port - also known as the Porte du Grand Port or the Porte Richard - stands between the narrow streets of the old town of Libourne, and is one of the few surviving reminders of the imposing medieval walls that once encircled this bastide town on the right bank of the Dordogne. Flanked by two massive round towers, the Tour Richard and the Tour Barrée, it embodies the defensive power of a town that the Kings of England, lords of Guyenne, intended to make impregnable. What immediately sets this monument apart is the well-preserved quality of its ogival corridor: the vaulted passageway, once bristling with defensive devices - harrows, knockers, loopholes - still reveals the tactical sophistication of 14th-century military architecture. Of the eight gates in the Libourne wall, the Porte du Grand Port was the only one to have a ticket office for night-time passage, a detail that reveals the intensity of the commercial traffic generated by the nearby river port. To visit the Porte du Port is to become absorbed in the stratigraphy of time: the Périgord limestone has recorded seven centuries of urban life, abortive sieges and trade between Gascony and the Atlantic. The immediate surroundings, where a few rows of half-timbered houses and 15th-century facades remain, amplify this feeling of immersion in medieval Libourne. The setting is also photogenic: the evening light, skimming over the towers from the nearby Dordogne, reveals the grain of the rubble and the scars left by successive alterations. Photographers in search of unexpected compositions and military history enthusiasts will also find much to enjoy here, just a stone's throw from the Place Abel Surchamp and its restaurants.
The Grand Port Gate is in the tradition of 14th-century Gothic military architecture, as practised in the English-influenced Gascon fortified towns. The structure is based on two round towers - the Richard Tower to the north and the Barrée Tower to the south - framing a central passageway with pointed arches. This configuration, known as twin towers, is one of the most effective formulas in medieval poliorcetics: it allows flanking fire to be concentrated on anyone trying to force their way in. The ogival corridor alone was a veritable architectural trap: the masonry still bears the marks of the grooves used for the portcullis, as well as the overhanging features typical of the stunners, through which projectiles or boiling liquids could be poured onto an attacker trapped under the vault. The night window, traces of which can still be seen in the masonry, bears witness to a functional ingenuity that was rare at the time: a small, independent, secure opening allowed entry and exit without having to manoeuvre the main door. The materials used were mainly local limestone, quarried in the Libourne area and neighbouring Périgord, whose golden hue is typical of traditional buildings throughout the region. The round towers, whose massive size is typical of the fortifications built during the reign of Edward III, have a neatly-constructed base and visible areas of remodelling in the upper sections, bearing witness to the successive repairs carried out up until the 17th century.
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Libourne
Nouvelle-Aquitaine