Kasteel de Donnea is a protected heritage monument located in Guigoven, a village within Kortessem in eastern Belgium's Limburg province. Built in 1801–1802, the castle represents early 19th-century architectural heritage and remains in intact condition today. Serving as the center of an estate in the picturesque Guigoven area, the castle showcases the neoclassical style characteristic of its construction period. Its designation as protected heritage reflects its importance within the Flemish Heritage system and its role in preserving the region's architectural legacy.