Château de Sourches, Classical château in Saint-Symphorien, France

Château de Sourches is a neoclassical château in Saint-Symphorien, west of Le Mans. Its garden facade has a central square dome, two wings under hipped roofs, and tall chimneys; the courtyard side has a portico block that allowed double-depth reception rooms on the ground floor. The château stands on a rise at the centre of a park laid out by Jules Hardouin-Mansart, within a dry-moated cour d'honneur.

Louis II du Bouchet de Sourches, Grand Prévôt de France, engaged Gabriel de Lestrade in 1756 to build a new château at Saint-Symphorien on the site of an older one, likely occupied since Roman Gaul. Jean-François Pradrel of Le Mans oversaw execution; the 1761 estimate names only him. Completed in 1786, it passed in 1845 to the Pérusse des Cars family, who held it until 1985.

The château's name comes from the Bouchet de Sourches family, whose marquis Louis II commissioned it. Since 2015 a Conservatoire de la Pivoine has been laid out beside the building and opened to the public. The estate also hosts a hunting festival on the first Sunday of July, agricultural shows, theatre, cinema and concerts.

The best time to visit is during May and June when the peony collection reaches its peak bloom. The garden paths are accessible on foot and allow for a leisurely exploration of the entire property.

In 1956 Louis Charles Marie de Pérusse des Cars, 6th Duke of Cars, placed the estate at the disposal of the Sanders company, which he chaired, for animal nutrition research. A dairy station with 50 Normande cows opened in 1957, and the station grew from 140 to 200 hectares by 1960.