Just after Schardorf, you can park at Gehöft Zeller for 1 EUR.  From the on, take the forest road until you reach a railing and a fork in the path.  The path marked 693 Reiting is steeper and goes through Bechlgraben, while the path on the left is longer and goes past Rumpeleck and Grieskogel.Going up on the left...

The closest access point is from the Gruttenhütte, which can be reached via the Gaudeamushütte in around an hour, either via a A/B klettersteig or via a steep trail.  Another hour brings you to the start of the VF.  Most of it is A/B, with some scrambling.  There is a long aerial section and finally a...