A 70-meter tall structure that once stood on a rocky outcrop overlooking the Gouët estuary and the bay of Saint-Brieuc, the abandoned Tour de Cesson is a historical relic that has been witness to centuries of events. Built in 1395, the site was used as a defensive structure to protect the estuary and the city of Saint-Brieuc from potential attackers, including pirates. Over time, the structure served various purposes such as a prison, a part of the ducal domain, and even as a navigational aid.
Since November 2020, the city of Saint-Brieuc has owned the Tour de Cesson, the manor built by the Glais-Bizoin family, and various lands below the point of Cesson. Following works and the creation of new walking paths, the Cesson domain was reopened to the public on April 1, 2026. Visitors can explore the site for free.
Sources: Wikipedia, OpenStreetMap, Wikidata, Wikimedia Commons
Written by Nicolo Ciampini
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