The educational path leads over about 5 km through the valleys of the Haupeschbach and the Halerbach. It is marked with a fossil oyster ("devil's claw"). It reminds us that the stones in the region were formed in a sea a long time ago. The valley is an extremely valuable area: it is a geotope of the Mëllerdall UNESCO Global Geopark, part of the European Natura 2000 network of protected areas, and has been on the list of national monuments since 1938. The path goes through the narrow valley in Luxembourg sandstone. At 14 interactive stations, one receives information about water: What does water have to do with the formation of sandstone? What processes can be observed today in a stream? What animals and plants live by the stream? Where does the water come from and how does man use the water and its power? Toward the end of the hike, you will pass by Beaufort Castle. The castle’s famous liqueurs are produced there, including Cassero, Cassero-Kirsch, Framboise des Bois, and Vieille Prune. The liqueurs are available for purchase on site. Hiking: Route 3 Mullerthal Trail, W5 (10.1 km), Geo-Pad Haupeschbach-Halerbach (4.9 km) Nearest bus stop: Beaufort, Härewiss (1.5 km)

The exhibition of the Mëllerdall UNESCO Global Geopark shows the creation and development of the special geological, natural and cultural heritage of the region. It tells of the formation of the geological subsoil as a seabed and of the shaping of the landscape after the seabed had become solid land. It takes up the human use of natural resources from the Stone Age to modern times and explains the development of the cultural landscape with its multitude of ecological niches. Free entrance! Closest bus stop: Beaufort, Härewiss (50m) Closest parking lot: Beaufort, Rue de l'église (50m)

The 11 municipalities of Beaufort, Bech, Berdorf, Consdorf, Echternach, Fischbach, Heffingen, Larochette, Nommern, Rosport-Mompach and Waldbillig are part of the Nature & Geopark Mëllerdall since 2016. About 25.500 inhabitants live on 256 km ². Along the main roads, signs with the Nature & Geopark logo point to the region. The Luxembourg law says that only regions with a particular cultural and natural heritage can become a nature park. Since the Mëllerdall Region has a specific geological heritage, it is also a geopark. Imposing rock formations, deep valleys and vast plateaus characterize this region, where the Luxembourg sandstone forms one of the most imposing sandstone landscapes in Western Europe. The Nature & Geopark promotes the sustainable use of this heritage while supporting the economic, social and ecological development. It strengthens regional cooperation and provides a platform for cross-border projects. The Nature & Geopark Mëllerdall stands for its inhabitants and is not a protected zone, a geology park or a park bounded by a fence. The Mëllerdall UNESCO Global Geopark has also become a UNESCO World Heritage Site since 2022. The geological formations are unique and not for nothing UESCO-designated.