Roman León: The Wall and the Puerta Castillo Interpretation Centre

León was born as the camp of a Roman legion, and it still shows in the plan of the old town. The wall, with the medieval towers built on the Roman base, can be followed on foot from San Isidoro to the cathedral. On the Plaza de Puerta Castillo, the mansion of the same name houses the Roman León Interpretation Centre, which explains the history with models, pieces and panels. Admission is free.

Puerta Castillo and the wall

According to Turismo de Castilla y León, at Puerta Castillo are preserved the remains of the only gate still standing in León's walled enclosure; the arch you see, in the form of a triumphal arch, is an 18th-century reconstruction. From here you can follow the walk along the wall towards San Isidoro, which is right against it, and then towards the cathedral. It is a walk along streets of the centre; with a dog, on a lead, outside the interpretation centre.

What the centre tells

The permanent exhibition is divided into six rooms. The first deals with the Roman army in the imperial era; the second, with the war against the Cantabrians and Asturians, which closed the conquest of Hispania; the third, with what excavations beneath León have gradually uncovered about the ancient city. The fourth reviews the history of the two legions that settled here, the Legio VI Victrix and the Legio VII Gemina. The fifth recreates a contubernium, the space where legionaries slept. The sixth shows the traces of the permanent camp that the Legio VII built in the last quarter of the 1st century AD, which lasted until the end of the Roman world, and of the civil settlements that grew around it. Allow an hour for the centre and the nearby stretch of wall. The mansion also has an archaeological garden where workshops and recreations are held, and on the first floor is the Municipal Historical Archive.

Opening hours and guided visits

It is open Monday to Friday from 10:00 to 21:00, Saturday from 10:00 to 14:00 and from 17:00 to 20:00 and Sunday and public holidays from 10:00 to 14:00. It is closed on 24, 25 and 31 December and 1 and 6 January. Admission is free. According to the Tourist Office sheet for November 2026, there are free guided visits on Saturday at 11:00 and 17:00 and on Sunday at 11:00; the town council states that the guided-visit times change according to the season, so confirm them on 987 878 238. Groups, schools and associations book on 616 746 722.

With children and what to combine

It works well with children: it is short, free and has the recreation of the contubernium. Combine it with the Royal Pantheon of San Isidoro, a few steps away, and finish in the Barrio Húmedo at vermouth time.