Cangas de Onís Roman Bridge
Asturias, Principado de
The Cangas de Onís Roman Bridge, locally known as the Puentón, is a striking medieval stone bridge spanning the Sella River in Asturias, northern Spain. Despite its popular name, it was constructed during the 14th century under King Alfonso XI, incorporating architectural elements inspired by Roman engineering, such as semicircular arches. The bridge features a large central arch flanked by two smaller, uneven arches, designed to withstand river floods and distribute weight effectively. Built from durable local limestone, it has endured centuries of natural challenges and historical events, including restorations in the 19th and 20th centuries. The bridge holds cultural importance as a symbol of Asturias, appearing on Cangas de Onís' coat of arms alongside the Cross of Victory. It once lay on a Roman road connecting the central plateau with the Cantabrian coast, playing a strategic role in trade and defense. Today, it remains a beloved landmark, attracting visitors for its architectural beauty and historical significance, as well as being a popular spot for salmon fishing along the riverbanks.
Plan your trip to Spain with AI
Create a detailed itinerary in minutes. AI suggests the best places, restaurants, and an optimized route.
Tip: Visit during spring and early autumn for pleasant weather and fewer crowds. Consider exploring early morning or late afternoon for optimal lighting and peaceful atmosphere. While the bridge is free to visit, nearby attractions like Covadonga Sanctuary may require advance ticket purchase during peak season. Salmon fishing is popular nearby, so check local regulations if interested. Wear comfortable shoes as the area has cobbled paths and some uneven terrain.
Interesting facts
- •The bridge is featured on the coat of arms of Cangas de Onís alongside the Cross of Victory and an inverted half-moon, symbolizing the Christian victory in the Battle of Covadonga.
- •Despite its name, the bridge is medieval, not Roman, but it was built over the remains of a Roman bridge.
- •A large Cross of Victory was added in 1939 to the central arch as a symbol of Asturias and its Christian heritage.
- •The bridge has survived numerous floods and natural disasters over centuries due to its robust construction and design.
- •It served as a strategic point on a Roman road linking the central plateau of Spain with the Cantabrian coast.
History
Though commonly called the Roman Bridge, the structure was built in the 14th century on the site of an earlier Roman bridge that connected Lucus Asturum (modern Lugo de Llanera) and Portus Victoriae (modern Santander).
Originally consisting of seven arches, it has undergone numerous repairs, notably in 1876 and the 1940s.
The bridge ceased to serve vehicular traffic by the late 19th century after a new bridge was constructed.
In 1931, it was declared a Historic-Artistic Monument and is recognized as a Cultural Heritage Site.
In 1939, the Cross of Victory, a key Asturian symbol, was placed on its central arch coinciding with the return of the Virgin of Covadonga's image from Paris after the Spanish Civil War.
Place Guide
Central Arch14th century
The large, prominent semicircular central arch is the bridge's most distinctive feature, providing both structural strength and an elegant profile. It symbolizes medieval engineering prowess and has a large Cross of Victory mounted since 1939.
Side Arches14th century
Two smaller, uneven semicircular arches flank the central arch. These arches help distribute the bridge's weight and provide additional support against the river's currents and floods.
Construction Material and Techniques14th century
Constructed primarily from local limestone, the bridge's stones were carefully placed using advanced medieval masonry techniques, including the use of sturdy buttresses and semicircular arches for stability and longevity.
