castle of Peñalcázar

The Castle of Peñalcázar, in the municipality of Quiñonería, is an abandoned hilltop stronghold on a rocky plateau in the Campo de Gómara region of Soria province, right on the old frontier between Castile and Aragón. It offers a rare combination of medieval ruins and sweeping highland scenery, far from the crowds that visit Spain's better-known castles.

Where exactly is Peñalcázar?

The ruins sit within the deserted settlement of the same name, administratively part of the small municipality of Quiñonería. The plateau on which the fortified village stands rises to 1,249 metres above sea level and stretches roughly 725 metres in length by up to 300 metres at its widest point. There is no vehicle access to the site itself — the final stretch has to be covered on foot, which is one reason the place has kept such an untouched, rugged character.

What is the history behind the site?

The hill has been occupied since ancient times. It was first a Celtiberian settlement, later a Roman town identified with Centóbriga, and under Arab rule it served as a fortified position. According to the Cantar de Mio Cid, Peñalcázar was among the towns paying tribute to El Cid after his conquest of Alcocer, alongside Ateca and Terrer.

After the Reconquista, the settlement remained within Castilian territory, right on the border with the Kingdom of Aragón, making it a strategic frontier outpost. During the 14th century, like the rest of the region, it suffered through the War of the Two Peters between Castile and Aragón. Despite this turbulent past, the village endured for centuries and was inhabited until the 1970s, when it was finally abandoned.

What can visitors see today?

The best-preserved section of the fortifications is a roughly 100-metre stretch of wall on the west side, which still retains its crenellations. Within the old village site, visitors can also find:

• remains of a Caliphal-era tower,
• a stone cistern (aljibe) once used to store water,
• the Church of San Miguel Arcángel, built in a Gothic-Renaissance style, with its bell tower still standing,
• two surviving wall sections along with traces of the former gates.

Together, these ruins form a scene typical of Spain's despoblados — deserted villages — where weathered stone blends into the high plateau landscape of Soria.

How should you plan a visit?

The site is freely accessible and there is no admission fee, but because it cannot be reached by car, visitors should allow extra time for the walk in and wear proper hiking footwear, as the terrain is rocky and sits at considerable altitude. The Campo de Gómara region is known for its wide-open, sparsely populated landscapes, so it is worth combining a visit to Peñalcázar with a look around the other small villages of the Quiñonería municipality, keeping in mind that tourist infrastructure in this part of Soria province is minimal.

Frequently Asked Questions

Can you drive to the Castle of Peñalcázar? No — the last stretch to the abandoned settlement must be covered on foot, since there is no road access for vehicles.

What are the main historic features to see among the ruins? The standout is the roughly 100-metre stretch of crenellated wall on the west side, along with the remains of a Caliphal tower, a stone cistern, and the Church of San Miguel Arcángel.

What is the historical background of Peñalcázar? The hill was settled from Celtiberian times, then as a Roman town identified as Centóbriga, and later fortified under Arab rule; the Cantar de Mio Cid even records it paying tribute to El Cid.

Until when was Peñalcázar inhabited? The settlement remained inhabited until the 1970s, when its last residents finally left.