Being a geopark gives the opportunity to promote the geological heritage and to raise awareness for the issue. Thanks to its remarkable geology, the Mëllerdall Nature Park qualifies as a Geopark.
The rocks have made the Mëllerdall region famous beyond its borders. The appeal of its landscape lies in its small-scale mosaic of different features, changing from plateaus to undulating hills, all the way to deeply cut valleys.This varied topography influences the distribution of fields, meadows and woodlands. The appearance and use of our current landscape is the result of a very long process, which started 250 million years ago. The formations you see today have been shaped over the last 20 million years. Human use of the area has been documented all the way back to the stone age.
The Luxembourg sandstone formations, which occur in the centre of the region and date back to the Lower Jurassic (Lias) times, are among the most spectacular in Western Europe. Moving East and West of this area the bedrock is predominately formed by marls and dolomites originating from Triassic times.