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Castle Castle · Lahntal · 276 m open today

The casemates – underground defences

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Underground defences: Walk in the footsteps of the past.

Dillenburg’s defensive fortifications on the Schlossberg (‘castle hill’) are the largest of their kind in Germany. These fortifications, including the ramparts and battlements (casemates), were partially excavated in the 1960s and today give visitors an idea of the size of the complex that could have held more than 2,000 soldiers as they defended the castle in times of war. A guided tour of Dillenburg’s ‘subterranean world’ ends with the highlight of a visit to the well in the ‘Löwengrube’ (‘Lion’s Den’) and the ‘Rubensgefängnis’ prison cell.

Opening times

open today
Open Oct 05, 2026 through Oct 18, 2026 from Tue, Wed, Thu, Fri, Sat and Sun 15:00–16:00 .
Open Apr 01, 2026 through Nov 01, 2026 from Sat and Sun 15:00–16:00 .

Guided tours are offered in the period from 01 April to 01 November.

High season (school holidays in Hesse): Tuesday to Sunday 3 pm

Low season (outside the Hessian school holidays): Saturday, Sunday and public holidays in Hesse 3 p.m.

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The casemates – underground defences

Coordinates

DD
50.737400, 8.284940
DMS
50°44'14.6"N 8°17'05.8"E
UTM
32U 449542 5620867
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User Questions


August 21, 2025
Annika Erbach  
Guten Tag Herr Bender, vielen Dank für Ihre Frage. Die Dillenburger Kasematten zählen zu den größten Verteidigungsanlagen Westeuropas des 15./16. Jahrhunderts. Nach der Zerstörung des Schlosses 1760 wurden die oberirdischen Teile abgetragen und das Material u. a. für den Bau der Wilhelmstraße genutzt. Teile der Anlage sprengte oder verfüllte man aus Furcht vor weiteren Belagerungen. Erst im 20. Jahrhundert wurden die Kasematten wieder freigelegt und für Besucher zugänglich gemacht. Heute lassen sie sich bei einer rund 60-minütigen Führung besichtigen – modern beleuchtet und voller spannender Eindrücke. Besonders sehenswert sind die „Löwengrube“, ursprünglich Vorratskeller des Schlosses mit einem 62 m tiefen Brunnen, sowie das „Rubensgefängnis“, in dem der Vater des berühmten Malers einsaß. Nehmen Sie gerne an einer Führung teil und erleben Sie ein einzigartiges Stück Dillenburger Geschichte.
August 21, 2025
Rolf Bender
Questioner
Sehr geehrte Frau Erbach, herzlichen Dank für die rasche Antwort - bin Anfang Juli bei einer Führung gewesen, hatte jedoch die Brunnentiefe vergessen und konnte sie im Internet nicht direkt finden! Schöne Grüße aus München Rolf Bender.

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