Musée minéralogique de la Grotte d’Osselle

Discovered in 13th century, their organized visit would have started at the beginning of 15th. Incontestably, it is one of the first world tourist caves.
One of the most beautiful collections in the world of minerals, collected for decades. This unique private collection is now open to the public. The mineralogical museum is open for guided tours before 10:30 a.m. and after 4:30 p.m.

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Musée minéralogique de la Grotte d'Osselle
42 route des Grottes BP 67
03 81 63 62 09
See website



Opening periods and special opening conditions / Covid-19

On request during the opening hours of the Grotte d'Osselle, from 1st April.


In the country Riverbanks Outskirts of town



Parcours adapté aux enfants Visite guidée sur rendez-vous

Groups tours

Visite payante Visite guidée sur rendez-vous