Košumberk (11 km southwest of Vysoké Mýto, i.e. southeast of Chrudim)

   Thanks to extensive restoration works during the 20th century the ruin of this large castle is in a good shape today and the interiors of the entrance building serve as a castle museum. The castle was established probably by Ojíř from Košumberk sometime after 1310. An important member of this family, Diviš Slavata from Chlum, began a Renaissance reconstruction of the buildings of the castle and construction of a new palace in which continued his son Jindřich and grandson Diviš. The Jesuits owned the castle since the 17th century till the abolition of the order; they lived in a newly built residence in nearby Chlumec. The castle which was not maintained later dilapidated, with the exception of the entrance building.