Open Monument Day Trier
Nationwide event day with free admission and guided tours in Trier — Motto 2026: NetzWERKE
About Open Monument Day
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The Open Monument Day was introduced in 1993 as the German version of the European "Journées du Patrimoine" and has become one of Germany's largest cultural events — with around four million visitors nationwide annually. In Trier, between 20 and 40 monuments participate each year: Roman World Heritage sites, medieval churches, monasteries, bourgeois houses, industrial buildings, bridges, fountains, city fortifications, and archaeological sites.
The 2026 motto — "NetzWERKE: Monuments & Infrastructure" — focuses attention on historical water supply systems, road networks, sewage systems, bridges, railway facilities, and energy infrastructures. In Trier, with the Roman Bridge, Roman aqueducts, Imperial Baths, and ancient city drainage, there is a particularly strong thematic connection. Several guided tours on Roman infrastructure are expected, supplemented by programs on medieval and modern buildings.
The Trier Cathedral, as the most important World Heritage site, is regularly accessible free of charge all year round, but offers special guided tours on the Open Monument Day.
Open Monument Day — edition 2026
The 2026 edition coincides with the 40th anniversary of Trier's World Heritage status. With the motto "NetzWERKE: Monuments & Infrastructure", there is a particularly strong thematic connection to Trier's Roman infrastructure buildings — Roman Bridge, aqueducts, Imperial Baths, city drainage. The complete list of participating Trier monuments will be published on tag-des-offenen-denkmals.de at the beginning of September 2026.
Programme Open Monument Day 2026
The exact 2026 program will be published by the organizer in August/September. The structure follows the proven cornerstones of previous years:
- Sunday 13.09.2026 from 10:00 AM: Opening of participating monuments.
- Morning and Afternoon: Guided tours through historic buildings.
- World Heritage Connection: Special tours of Roman infrastructure (aqueducts, drainage, bridges).
- Trier Cathedral: Special tours for the World Heritage anniversary year.
- Citizen Initiatives: Owners and restoration managers are available for questions.
- Closing: Between 4:00 PM and 6:00 PM, depending on the monument.
Highlights Open Monument Day 2026
Prices Open Monument Day 2026
Practical information — Open Monument Day
Locations: Various monuments and archaeological sites in Trier. Complete list on tag-des-offenen-denkmals.de under "Ort Trier".
Admission: Free.
Guided Tours: Mostly without prior registration, some programs with limited participant numbers and mandatory registration.
Getting there: Trier Central Station is central, World Heritage sites are accessible by city bus or on foot.
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Travel to this festival
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