Montaigle Castle is a ruined medieval castle in Falaën in the municipality of Onhaye, province of Namur, Wallonia.
It was built in the 14th century, and destroyed by Henry II of France in 1554. It stands on a rocky spur overlooking the valleys of the Molignée and of the Flavion.
The site was used during the Late Roman period for a Belgo-Roman fortification.
Wikipedia https://en.wikipedia.org/wiki/Montaigle_Castle
Official Website https://chateau-fort-de-montaigle.be/
Address 5522, Belgium
Coordinates 50°17'35.544" N 4°48'56.758" E