Magistral Cathedral of Saints Justus and Pastor
In the heart of Alcalá de Henares' historic district, in Plaza de los Santos Niños, stands the Magistral Cathedral of Saints Justus and Pastor, the mother church of the Complutense diocese and one of the most unique sanctuaries in the Madrid Region. Its location marks the ancient urban, political, and social heart of the medieval city.
The temple rises on the exact site where, according to tradition, the children Justus and Pastor were martyred in the year 304 during the Diocletianic Persecution. A 5th-century chapel was erected over that enclave, eventually becoming a cathedral during the Visigothic era. Following various medieval destructions and reconstructions, it was elevated to a collegiate church in the 15th century. Under the visionary drive of Cardinal Cisneros, the current building was constructed between 1497 and 1515 in the exquisite Isabelline Gothic style.
Its title of "Magistral," granted in 1519, makes it—alongside St. Peter's Church in Leuven—one of the only two temples in the world with this rare distinction, which required all its canons to hold doctorates in theology, reflecting its close bond with the University of Alcalá. In 1991, with the restoration of the diocese, it proudly reclaimed its cathedral status.
Featuring a Latin cross floor plan and three naves covered by elegant rib vaults, the building blends exterior sobriety with interior richness. Highlights include its flamboyant Gothic portal, the imposing 62-meter Herrerian-style bell tower—begun by legendary architect Rodrigo Gil de Hontañón—and the 17th-century cloister, which houses the Interpretation Center and the Cathedral Museum.
Within the ambulatory lies the crypt containing the sacred relics of the Holy Children (Santos Niños), safeguarded in a magnificent silver and gold urn. Among its notable chapels, the Chapel of the Virgen del Val (patron saint of Alcalá) and the Chapel of San Diego de Alcalá truly stand out.
Designated a National Monument in 1904 and meticulously restored after the devastating fire suffered at the start of the Spanish Civil War in 1936, the Magistral Cathedral is today a historical, artistic, and spiritual landmark, witnessing more than sixteen centuries of living history in Alcalá de Henares.
What to See at the Alcalá de Henares Magistral Cathedral
The Magistral Cathedral of Saints Justus and Pastor is not just a religious building; it is a true global landmark. Alongside St. Peter's Church in Leuven (Belgium), it is one of only two churches in the entire world to hold the prestigious "Magistral" title, a historic distinction meaning that all its canons were required to be doctorates of the University.
Inside the temple, the crowning highlight is the Crypt of the Holy Children, where the sacred relics of Justus and Pastor—martyred in the 4th century—are masterfully preserved. Its breathtaking Late Gothic architecture, striking rib vaults, and magnificent 17th-century cloister make this cathedral an absolute must-visit stop on any Alcalá de Henares travel itinerary.
History and Architecture of the Heart of the Cisnerian City
The history of the cathedral is intrinsically linked to the very growth of the city. It was Cardinal Cisneros who spearheaded its reconstruction in the 15th century, seamlessly integrating it into the ambitious urban project of what we know today as the "City of Knowledge" (Ciudad del Saber).
Its imposing Monumental Bell Tower, designed by the legendary Rodrigo Gil de Hontañón, is the iconic symbol that dominates the city skyline. The cathedral is a masterpiece that explains exactly why the historic center of Alcalá de Henares was declared a UNESCO World Heritage site. Exploring its historic walls is a journey through time, spanning from the ancient Roman era of Complutum to the splendor of the Spanish Golden Age.

The Magistral Cathedral from the Archbishop's Palace Wall in Alcalá © Guido Gutierrez
How to Visit the Saints Justus and Pastor Cathedral in Alcalá
Planning your visit to the Cathedral is seamless thanks to its prime location in Plaza de los Santos Niños, right where the iconic Calle Mayor begins. It is the perfect starting point to discover everything there is to see in Alcala de Henares.
- Hours and Access: The temple welcomes tourist visits outside of worship hours. It is highly recommended to purchase the combination ticket, which includes access to the museum and the climb up the tower.
- The Bell Tower Experience: If you are looking for the best panoramic views of the city, climbing its bell tower is an absolute must; from the top, you can spot the famous storks, the historic rooftops, and the striking silhouette of the University.
- Location: It is easily accessible on foot from anywhere in the Old Town. After your visit, you can continue your walking tour toward Plaza de Cervantes, a route fully detailed in our main Alcalá de Henares travel guide.








