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Triumphal Arch in Subiaco: The Neoclassical gate commissioned for Pius VI
The Arco Trionfale marks the entrance to the historic centre of Subiaco, located in Largo Giuseppe Mazzini. It was erected in honour of Pius VI, the Pope who transformed the city. He completely rebuilt the Cathedral of St Andrew, restored the Rocca (fortress), and established the Seminary Library. Giovanni Angelo Braschi had served as the Commendatory Abbot of Subiaco since 1773, just two years before being elected Pope.
A scaled-down project
In 1787, the city council decided to build a triumphal arch. The choice of designer fell on Giulio Camporese, a Roman architect transitioning between Late Baroque and Neoclassicism. The original design called for three arches, but due to insufficient funds, it was reduced to a single one. The arch was inaugurated on May 18, 1789, during Pius VI’s visit to Subiaco to consecrate the new cathedral.
The structure today
The arch is built from travertine and palombino limestone quarried from Mount Affilano. It features a single round arch flanked by Ionic columns, and is topped by the colossal coat of arms of Pius VI. Two Latin inscriptions in lead commemorate the Pope’s contribution, defining him as "restitutor et locupletator" (restorer and bringer of prosperity). Today, cars still pass through it, as it remains the main gateway to the town.
