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Heritage classified

Key figures

Origin and history

The church of Saint-Jean-Baptiste de Hillion, located in the Côtes-d'Armor department in Brittany, is a religious building whose origins date back to the late 11th century. It was originally built in a Romanesque style, as evidenced by the upper parts of the nave walls and the small obstructed windows visible today. These elements, as well as the western diaphragm arch pierced by a window in the middle of the hangar, constitute the oldest remains of the building.

Between the late 14th and early 15th centuries, the church underwent major changes. The Romanesque nave was preceded by a fore-nave and flanked by low-sides, while the west facade and the lateral walls were taken up as sub-work, pierced by large arcades in third-point. The south transept was enlarged, and the choir and cross tower were rebuilt. These transformations marked a transition to a Gothic style, visible in broken arches and lateral elevations.

In the 17th century, new works altered the south arm of the transept and rebuilt the cross tower, as evidenced by the archives mentioning the masons François Renaud, Renan Clainches and Jean Moro in 1619. The diagonal foothill supporting the northwest corner of the tower, added in 1625, and the 19th century restorations (windows, sacristy) complete this architectural evolution. The church, classified as a historic monument in 1970, thus preserves traces of nearly a thousand years of history.

The interior of the church reveals a complex structure: the nave and the choir, covered with frame, are separated by arches in third-point resting on cylindrical pillars with carved capitals. The front nave, separated by a large arcade surmounted by a Romanesque window, illustrates the superposition of styles. The arms of the Guéguen family, visible on a shield from the south wall of the choir, recall the links of the building with local history.

The restorations of the 20th century, such as those carried out in 1964 by architect Voizard, brought to light original Romanesque elements, such as the windows of the 11th century hidden under coatings. These discoveries confirm the medieval sub-works and highlight the stratigraphic richness of the monument, where Romanesque, Gothic and classical influences are mixed.

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