Sanctuary of Santa Casilda, Medieval sanctuary in Salinillas de Bureba, Spain.
The Sanctuary of Santa Casilda is built on a rocky outcrop and features three naves with Gothic reliefs and a Renaissance portal designed by Nicolas de Vergara. The structure blends architectural styles from different periods into a single composition.
The sanctuary was established in the 11th century after Casilda, daughter of Toledo's sultan Al Mamun, arrived at the springs seeking healing and later converted to Christianity. The site became a revered pilgrimage destination over the following centuries.
The sanctuary is dedicated to Saint Casilda, whose story draws pilgrims who leave votive offerings as signs of devotion and petition. The site remains a place where visitors seek spiritual blessings connected to her legacy.
Visitors approach the sanctuary via the BU-V-5107 road from Briviesca toward Revillalcon, then continue on the BU-V-5120 to reach the site. The route is clearly marked and easy to navigate.
Two natural springs adjacent to the sanctuary, called the White Well and Black Well, have been associated with fertility and healing for centuries. Many visitors seek out these water sources during their pilgrimage.
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