Artificial cave carved out of rock with an irregularly base, it is 2 km away from the town.
The façade was recently refurbished.
Inside the chapel they found a grave with human remains with its head resting on a stone, engraved with the year 869, when the chapel is believed to have been built. It can be seen in the Diocesan Museum of Calahorra along with the relics of Saint Juan the apostle, Santiago and Saint Pedro.
This enclave preserves the old custodian’s home.
10th century Mozarab built in masonry with two double-section naves, horseshoe apse and four semicircular arches arising from the central palm-shaped column.
Inside there is a sculpture of the Virgin.
It was added to La Rioja Heritage Register as monument of Cultural Interest in December 13th, 1979.
The chapel of Our Lady of Peñalba has been restored under the supervision of Direction General of Heritage of the La Rioja Government in a coordinated effort with the Local Council of Arnedillo, in the years 1983, 1996 and 2004.
In January 2023, work finished in the annex porch for restoration, ornamentation and re-roofing.
Virgen de La Torre
The 16th century brick construction with a refurbished rectangular base has an early 17th century Romanist retable with 14th century gothic sculptures of the titular Virgin of la Torre with child, Saint Bartolomé, Saint José and Saint Bárbara.
On both sides of the altar one can find images of the patron saints of the 16th century villages of Arnedillo: Saint Sebastián, Peroblasco and Saint Lucía and Antoñanzas.
Some maintain the sculpture of the Virgin was originally placed on the watchtower, hence her name.