Much of the Ardennes is covered in dense forests, with the mountains averaging around 350–400 m in height. The boggy moors of the High-Fens rise over 694m.
Some major towns can be reached by train. However unless you're on a backpacking trip, the best way to visit the Ardennes is by car or Camper. Most people either rent a vacation house or go camping. Bed and Breakfast's are also popular for shorter stay's. Hotels can be found in larger touristic towns.