From Vienna: via the A2, exit Pinggau - Friedberg, Rohrbach an der Lafnitz, Mönichwald, Waldbach, Wenigzell
From Graz: via the A2, exit Gleisdorf, Kaindorf, Pöllau bei Hartberg, Schloffereck, direction Vorau, left after the Kreuzwirt to Wenigzell
Detailed information on how to get here can be found here.