Fontfroide Abbey. Founded at the end of the 11th century by the Benedictines, it immediately became very prosperous. Affiliated to the Cistercian order in 1145, it was a bastion of religious orthodoxy during the period of the crusade against the Albigensian heretics.

Lagrasse Abbey. A benedictine abbey founded in the 8th century, it was restored under the Carolingians and prospered enormously from the 11th to the 13th centuries.

Saint Mary's Abbey at Villelongue. Founded in the 12th century, it toke an active role in the fight to suppress Catharism. The chapter house and the church date from the end of the 12th century, the cloister from from the beginning of the 14th.

The Abbey at Alet-les-Bains. Ruins of the former Cathedral of Notre Dame 12th century and the abbey building 12th-14th century. 

The Abbey at Caunes-Minervois. Dating from the 8th century, a present day visit takes in the abbey church of Saint Peter and Saint Paul, the cloister and the monastery buildings.

The Abbey at saint Hilaire. This fortfied abbey was a Benedictine house founded in the 8th century. Also on the site are a Romanesque church 12th century, a Gothic nave 13th century with a tomb representing the martyrdom of Saint Sernin and a Gothic cloister 14th century. 

The Abbey at Saint Papoul. A fortified Benedictine abbey founded in the 8th century. The church is 12th - 14th century. The cloister was rebuilt in the 14th century.

The Abbey at Saint Polycarpe. Initially a fortified Benedictine abbey founded at the end of the 8th century. The 11th century abbey is dedicated to the Virgin.