New website for TNO Geological Survey of the Netherlands

Published on 8 December 2025

Today, TNO Geological Survey of the Netherlands (GDN) presents its new website. The new website has a modern and fresh look and is more user-friendly.

The content of the website remains mostly the same. Work on the further development of the website will take place in the coming months.

About the GDN

The Geological Survey of the Netherlands (GDN), part of TNO, is the foremost independent knowledge centre for the subsurface of the Netherlands. Every day, we put fundamental and applied knowledge and research about the subsurface and its use to work for society. We inform and advise public authorities, the business community, and society – both domestically and abroad.