Château du Rocher

The site occupies the edge of a pond and sits within a formal garden setting that extends across a park of some forty‑four hectares. The buildings and sculptural work are executed in local granite, which gives the ensemble a uniform appearance and has helped many carved details survive the climate. The principal plan comprises an older main dwelling from the 13th century set at an angle to a 14th‑century chapel, with a courtyard of honour created during the 16th‑century remodelling.

The 13th‑century corps de logis remains identifiable where it meets the chapel. Thick interior walling at the junction of the two blocks records an earlier phase of building that predates the manor of the later Middle Ages. The courtyard formed by the Renaissance alterations survives as the organizing open space created when east and south façades were removed and roofs and apartments were rearranged to frame a central court.

A Renaissance gallery links the house and the chapel and is a principal decorative feature of the site. It presents five basket‑handle arches at ground level, each set into a granite arcade. The three central arches were filled to sill height with a low wall and separated by pilasters. Those pilasters rise from carved capitals to a pronounced cornice and to friezes carved with volutes, human faces and putti. Above, the same vertical elements frame two wide square bays flanked by three narrower windows, then continue to pierce the attic cornice and to support two stacked dormers, the uppermost of which is flanked by flying buttresses. Ornamentation of shields, trophies and arabesques enriches the stone surfaces. The carved work is executed in the same local granite as the walls and has withstood weathering.

The chapel dedicated to Saint Catherine stands at the angle opposite the main wing and retains its liturgical identity in surviving fittings. The chapel was endowed in 1446 and formally confirmed in 1494. It contains a statue of Saint Catherine that dates to at least the late 15th or early 16th century, and liturgical use of the present chapel is attested by 1524. A sequence of named chaplains is recorded for the chapel over the period from the early 16th century through the eve of the Revolution.

Defensive and picturesque towers remain visible, particularly on the elevations that face the ponds to the west and north; these towers are finished with pointed roofs. Elements of the north and west façades remain largely intact from medieval and Renaissance phases, while the east and south façades reflect the deliberate removal carried out in the early 1500s. Eighteenth‑century landscape works by Benoît Eynard are evident in the leveled grounds, the layout of gardens and woods, the site of very large granaries, and the shifted principal entrance that was placed to reveal the central front of the house. The ensemble has undergone later restoration work, and its major sculptural and structural features remain in situ and legible within the conserved park.