Starting point from this tour is Curon/Graun. You follow the road in direction Vallelunga/Langtaufers valley. At the beginning of the valley by the first bridge you turn right and cross the Karlinbach river. Then you follow the hiking trail no. 10 up to the Grauner Alm Alpine Pasture (closed). After that you follow the way always to your right until you reach the Grosshorn mountain. On top you have a fantastic view over the upper Venosta Valley.
Hint: Check the local avalanche report and carry the right equipment!