The 1138 'Cross of Mastro Guglielmo' preserved here is widely considered the oldest dated painted crucifix in Italy.
The cathedral is built on the ruins of the ancient church of San Basilio, which served the medieval community before Sarzana gained prominence.
The white marble used for the facade was sourced from the same quarries that provided material for Michelangelo’s sculptures.
Despite its Gothic design, the interior features significant Baroque-era modifications that contrast with its medieval core.
Sarzana Cathedral, dedicated to Santa Maria Assunta, serves as the co-cathedral of the Diocese of La Spezia-Sarzana-Brugnato. Construction began in 1204 on the site of the former parish church of San Basilio, with the current marble facade completed much later in 1474. The cathedral is a prime example of transition between Romanesque and Gothic architecture, featuring a distinctive white marble exterior sourced from the nearby Carrara quarries. Inside, the church houses the 'Cross of Mastro Guglielmo,' a masterpiece of medieval painting dated to 1138, which is among the oldest dated crucifixes in Italy. The interior layout follows a Latin cross plan with three naves divided by columns with stylized capitals. Significant Baroque interventions altered the original layout, including the addition of side chapels and rich stucco decorations. The cathedral holds the relics of Saint Andrew the Apostle and Saint Venantius. It stands as the primary religious anchor of the historic Sarzana city center.
The main portal entrance offers the best angle for capturing the ornate marble façade and the rose window.
Look for the Cross of Mastro Guglielmo in the left transept area to see the intricate 12th-century details.
Walk around the exterior to view the detailed 15th-century marble carvings on the main portal.
Visit during the Sarzana Antiquarian festival if in town, as the cathedral area becomes a central hub for the event.
Do not attempt to enter during active liturgical services unless you are there to participate in the mass.
May occasionally close for local religious holidays or private diocesan events.
Modest dress is required: shoulders and knees must be covered; hats should be removed upon entry.