We’re sharing the 2026 Heritage Days program for Montagu Castle (91), nestled among the ruins and the Henry IV tower. Here are the tours scheduled for this weekend, September 19–20, 2026.
Discover the Château de Montagu in Marcoussis (Essonne), medieval remains classified as a Historic Monument, available for guided tours and special days. With its ruins, restored tower and moat, this is a fascinating place for lovers of heritage and exploration.