Abbaye Saint-Michel de Kergonan, Benedictine abbey near the Atlantic coast in Plouharnel, France

Saint-Michel de Kergonan is a Benedictine abbey founded in 1898 in Plouharnel, built with stone from the demolished 16th-century Château de Kergonan. Its main facade, designed by Joseph Caubert de Cléry, has pointed arches, turrets and mullioned windows. The abbey church, consecrated in 1972, burned in 2007 and was rebuilt, with a new consecration in 2012.

The abbey was founded in 1898 by the Abbey of Saint Cecilia from Solesmes and developed into an important monastery in the region. Between 1901 and 1919, the community was forced into exile in England due to political tensions in France.

The abbey has long supported Gregorian chant scholarship: in 1927 an anonymous nun drew the chironomic neume diagrams for Dom André Mocquereau's second volume of Le Nombre musical grégorien, and the sisters compiled most of its analytical index. Choir mistress Sister Marie-Emmanuel Pierre published the chant course Cantabo Domino in 2005, and the community helped prepare the 2008 Heures grégoriennes.

The abbey is open to visitors who can purchase naturally made jams and other products produced by the sisters in the monastery shop. Guests can also participate in religious retreats and services that are regularly scheduled throughout the year.

The sisters manage organic farming operations on the monastery grounds as part of their daily work alongside prayer and religious duties. This practical labor has long been central to Benedictine life and shapes the daily rhythm of the community.