Bloc libre

At the heart of the Sciences of the Universe

Step through the doors of the observatory and let your curiosity and wonderment guide you. From the discovery of rock, mineral and fossil collections, to the understanding of the functioning of natural systems, to the observation tools, this permanent exhibition, accessible free of charge to the public all around the year, highlights the resources and activities of the Observatory..

For more information, please visit the website dedicated to our museographic space: hallmuseo.osug.fr
Practical information, audioguides, virtual tours and various resources are available online to accompany you on your visit and help you discover the site.

Updated on 5 May 2026