LU Upcoming

International Geodiversity Days

International Geodiversity Days in Luxembourg features a series of free educational activities from October 3 to 6, 2026. Hosted by the National Museum of Natural History (MNHNL) and several partner organizations, the event invites the public to explore geological heritage through outdoor excursions and expert-led discussions across Luxembourg and neighboring border regions.

Date
Oct 3-6, 2026
Location
Luxembourg
Status
Upcoming
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International Geodiversity Days

Event summary

Highlights

  • Exclusive visits to former mines and slate-quarrying sites
  • Guided geological walks through unique landscapes
  • Expert conferences on geodiversity challenges
  • Cross-border activities in France and Belgium
The 2026 program coincides with the global UNESCO International Geodiversity Day held annually on October 6. This initiative focuses on the importance of the Earth's non-living nature, including its minerals, fossils, soils, and the natural processes that shape the landscape. In Luxembourg, the celebration extends over four days, offering a variety of perspectives on the region's geological riches.

Public activities include guided walks through unique landscapes, conferences with scientific experts, and rare opportunities to visit sites typically closed to the public. Notable highlights for this edition include exclusive tours of former open-pit mines and historic slate-quarrying locations. Events are spread across multiple venues, including the Mëllerdall Nature & Geopark and the Minett UNESCO Biosphere, with some activities taking place in Villerupt, France, and Martelange, Belgium.

Participation in all scheduled events is free of charge to encourage broad public engagement. However, the organizers note that spaces are limited for many sessions, making advance registration mandatory. The festival is managed by a consortium including the MNHNL, the Luxembourg Commission for UNESCO, and several regional nature and heritage parks.

Practical details

Before attending

Check the sources below for current opening times, admission prices and registration requirements. A date range does not mean the event runs continuously or that admission is free.

Sources and further information

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Location map

Approximate area only; exact venue coordinates are not confirmed.

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