From Vienna, take the A2 South Motorway and S6 Semmering Expressway to the exit for Bruck an der Mur. At the roundabout, take the 3rd exit towards Leoben. After 100 meters, turn left at the first traffic light (signposted "Weitental"). Now, keep right, pass under a railway and motorway, and continue past the cemetery to the parking lot at the start of the Weitental. N 47.40398° O 15.27535°.
From Graz, take the A9 Pyhrn Motorway and S35 Bruck Expressway to the exit for Bruck an der Mur. Continue as described above.
From the West (Linz, Salzburg, Germany), take the A9 Pyhrn Motorway and S6 Semmering Expressway to Bruck West. Here, turn left at the motorway exit and drive to an intersection near a furniture store. Turn right and proceed through the Bruck district of Oberaich, just before the aforementioned roundabout. At the traffic light, turn right (signposted "Weitental") and continue as described above.