The little Switzerland is located in the very small but very nice state Luxembourg. The Mullerthal is the most beautiful nature part of Luxembourg.
There you can hiking on the Mullerthal Trail and explore the fascinating sand stone sturctures around Berdorf. The little Switzerland is also a famous place for climbers. In the rockforamtions of the old trias sea are a lot of routes possible.
Further you have some really well-preserved knight’s castles in the forests in Luxembourg.