Aleth
Archaeological site
Cathedral
cathédrale Saint-Pierre d'Aleth
Saint Peter's Cathedral is a pre-Roman cathedral, now reduced to ruins, which belonged to the diocese of Aleth. It is located in the Saint-Servan district of the city of Saint-Malo, in the French department of Ille-et-Vilaine. It was destroyed in 1255 during a tax dispute with Saint-Malo.