Collegiata dei Santi Pietro e Orso

About

The Collegiate Church and Cloister of Saint Orso, nestled in the historic center of Aosta, is a remarkable Romanesque masterpiece that draws visitors from around the world. The complex encompasses a striking church with a soaring nave and a richly decorated crypt, a monumental cloister famed for its exquisite marble capitals depicting biblical scenes, and a priory chapel that offers a glimpse into medieval spirituality. Visitors can explore the church’s interior, where a 12th‑century fresco cycle and a 15th‑century wooden choir add to the site’s artistic heritage. The cloister, dating back to the early 12th century, presents a unique architectural narrative, with tall columns and intricate carvings that showcase the religious artistry of the era. Guided tours—available daily at 11:00 and 16:00 from April to 2 November, and at 11:00 and 15:00 from 3 November to March—provide a detailed commentary on the Ottonian frescoes, the priory chapel, and the surrounding monastic life. The entire complex remains open year‑round, with visitor hours typically from 9 am to 6 pm, though December 25th is a holiday closure. Admission is free for church entry, while cloister and guided tour tickets start at €2 and €7 respectively, with reduced rates for minors. The site is partially accessible to visitors with disabilities when accompanied, and offers a rich tapestry of history, art, and architecture that makes it an essential visit for anyone exploring the heart of Aosta. Because of its timeless allure, the Collegiate Church and Cloister of Saint Orso is best visited during the cooler months of spring and early autumn when walking the cobbled streets of Aosta feels most enchanting; however, it remains an accessible wonder for any travel season.

Highlights

• Romanesque Architecture
• Ottonian Frescoes
• Priory Chapel

Must-See Areas

Good to Know

Pros & Cons

At a glance

• Typical visit: about 2 hours

Tickets & pricing