The Cathedral Museum is located at Calle Dormitalería, 3-5. This is adjacent to the Cathedral.
This museum shows religious art from Navarre. Important pieces are the Romanesque and Gothic sculptures of the Virgin Mary that date from the 12th to the 15th century. There are metalwork and chests made of ivory. Reliquaries include the Santo Sepulcro from the 13th century and the Lignum Crucis from the 14th century. There are Renaissance sculptures from the 16th century and Baroque sculptures from the 17th and 18th centuries. The Navas altarpiece is dated to the 15th century. There are processional silver crosses from the 14th to the 18th centuries. The Peralta altarpiece was painted by Van Dyck. There is a large polychrome wooden crucifix from the 17th century that was designed by Juan Bazcardo. One can also find silver and gold articles that have come from different parishes of Navarre.