If you're coming from Germany, take the A93/ E45/ E60 motorway, from Italy take the A13 or the A12 and from Switzerland also the A 12 motorway until the Exit Kufstein-Süd. Here you leave the motorway and drive into the direction Felbertauern.
At the second roundabout you come to the Eiberg-Street (B173). Follow this street for about 8 km to until you can leave to come to the B178.
Stay into direction Felbertauern, St. Johann in Tirol. After about 2 km turn right behind the Petrol Station Eni. Then you have to pass the village center of Scheffau and turn right.