Fort van Duffel, Military fort in Duffel, Belgium

Fort van Duffel is a military defensive structure with brick walls and concrete vaults built in Duffel, Belgium. The fort sits next to the railway line connecting Brussels and Antwerp, with its layout designed to control the approach routes to the region.

Construction began in 1886 and was completed by 1888 as part of a defensive ring protecting Antwerp. This period saw Belgium strengthening its borders against potential European threats.

The brasserie De Krone is a job-experience centre supported by the municipality of Duffel and the province of Antwerp, where young people with autism spectrum disorder gain work experience. It also serves Fortun, a blond beer of 7.5% brewed for Kempens Landschap by 't Hofbrouwerijke with coriander and dandelion leaf.

A path of about 1.2 kilometers circles the fort, giving visitors a complete view of its structure. Guided tours through the interior corridors help you understand how the building was designed for defense.

Ten bat species have been recorded here, among them the rare pond bat and whiskered bat, and the fort forms part of the habitat directive area for the historic fort belts around Antwerp. Kempens Landschap dug a tunnel especially for the animals to shelter in.