The Monastery of Irantzu, nestled in a picturesque valley near Estella-Lizarra in Navarre, is a remarkable example of Romanesque and early Gothic architecture. Founded in the 12th century by the Cistercian order, the monastery flourished during the Middle Ages as a center of spiritual devotion, agricultural activity, and cultural influence.

The architectural ensemble is characterized by its austere and harmonious design, reflecting the principles of the Cistercian order. The Cistercian-style church, an architectural style between Romanesque and Gothic, was built during 12th century and features a Latin cross floor plan, a rib-vaulted ceiling, and a semicircular apse. The cloister is partly Cistercian (12th century) and partly Gothic (13-14th centuries). Additional minor Renaissance parts were added during 17th century.

One of the most beautiful features of the monastery is its cloister, a serene and well preserved space with pointed arches and slender columns. This area served as the heart of monastic life, providing a space for prayer, reflection, and daily activities. Adjacent to the cloister are the chapter house, where monks held meetings, and the refectory, a large dining hall with a vaulted ceiling.

The monastery’s location, surrounded by forests and the Iranzu River, enhances its tranquil atmosphere and underscores the Cistercian emphasis on establishing communities in remote and peaceful settings. Visitors can also explore the remains of the water management system, including a mill and irrigation channels, which reflect the self-sufficient nature of the monastic community.

Following its decline and eventual abandonment in the 19th century due to secularization, the monastery underwent restoration in the 20th century. Today, it is a popular cultural and historical site, hosting guided tours, concerts, and exhibitions that provide insights into its rich heritage.