We go down into the Petruss Valley and follow the stream to its mouth into the Alzette, which we cross. We climb the rock stairs to the Rumm Plateau and walk through the districts Gronn and Clausen and cross the Alzette once more before starting the ascent back to the city centre.
- L-2011 Luxembourg City
- Run by Luxembourg City Tourist Office
- +352 22 28 09
- Website