In the heart of the town we find the old wall with his entrance arches to the town, narrow streets with their houses and emblazoned mansions.
It is interesting visit the San Juan Church Romanesque in origin with a mix of others styles and the Santa María de los Reyes Church with its beautiful covered portico and polychrome stone doorway, really a jewel of Gothic art.
Near the town it is el Poblado de la Hoya a protohistoric town dating from the 15th century B.C.
In Oion we can visit the Santa María Church built in the 18th century in Baroque style. Stands out its doorway and tower in Elizabethan style, the tower is known as La Giralda.
Labranza is a village with a great interest historical-artistic because, was an important military post during the Kingdom of Navarre.
The Arch of Larrazuria and the remains of the Toloño Castle remain as the oldest vestiges of its history. In the Santo Cristo Hermitage we highlight the facade from the 11th century and the rest of the exterior is gothic style. Inside, there is an unusual Christ that keeps his right arm is hanging fallen from the cross. It is a polychrome carving made in the year 1300.
Besides, stands out the City Hall from the 17th century and Greco-Roman Renaissance style.