Bus line WA31 drives from Monday to Friday from Gmünd to Zwettl and back.
The bus station is located at the road L69 south of the junction with the L8210 near the big granite rocks. The distance from the campsite is about 500m. If you walk, you will reach the bus station in a few minutes.
The current timetable is available online on the website of the VOR (Verkehrsverbund Ost-Region). Please select the station Waldenstein, bus line WA31 and the desired direction (either Gmünd or Zwettl). The tickets can be bought on the bus. A price information is availabe online.