Portico di San Luca

The Portico di San Luca links Bologna with the hilltop Sanctuary of the Madonna di San Luca. Extending for about 3.6 kilometres, it is commonly counted as having 666 arches, though the exact total depends on how the arches are counted. The route is part of the UNESCO-listed Porticoes of Bologna.

Why it matters

The portico was built to shelter devotional processions accompanying the Madonna of San Luca into the city. Construction began in 1674 and continued over the following century. Since 1433, during Ascension week, the Byzantine icon of the Madonna and Child has been carried in procession from the sanctuary to Bologna Cathedral. The portico gives this religious tradition a distinctive architectural setting, linking the city’s streets with the sanctuary on Monte della Guardia.

What to notice

The portico shifts from a long, straight section along Via Saragozza to a rising, curving ascent on the hill. At Piazza della Pace, the Arco del Meloncello carries it over the road; the bridge was built in 1718. At the 170th arch, a niche holds the terracotta Madonna Grassa, made by Andrea Ferreri around 1706. Near the sanctuary, the portico forms a final covered approach to the church.

Context and history

The municipal history dates construction of the flat section to 1674 and its completion to about a century later, alongside final works at the sanctuary. The portico follows an existing devotional practice: the Madonna’s icon, traditionally believed to have been painted by Saint Luke and brought from Constantinople, has been carried to the city for the Ascension-week procession since 1433. The San Luca route is one component of Bologna’s wider portico system, inscribed on UNESCO’s World Heritage List in 2021. The UNESCO property includes twelve representative ensembles within the city’s 62-kilometre network of porticoes.