The abbey was founded in 1142 and became an important pilgrimage stop on the Way of St. James en route to the Cathedral of Santiago de Compostela.

The abbey is situated at the confluence of the Luz and the Arros rivers near the Château de Mauvezin.

In the middle of the 12th century, a group of monks under the protection of the count of Bigorre who lived at Cabadur in the Gripp valley in the modern-day commune of Campan, near Bagnères-de-Bigorre, wanted to move to a more hospitable location and therefore establish the abbey at Bonnemazon.

The abbey was continuously inhabited by Cistercian monks until 1830 when it sold to an unknown local family.

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