Approach notes

Two approaches are possible:

- [The hard-on-your-legs way] From Chiappera: following the footpath that heads out of Chiappera on the East, wind your way up the valley with the Rocca Provenzale (the dorsal-fin like rock feature) on your left, the footpath delivers you to the base of the Rocca Castello. Approx walk in 80 minutes with 600m of ascent.

- [The hard-on-your-car way] Following the road out of Chiappera, past Campo Base, continue on where the asphalt ends and the road becomes a rocky track. The going is slow but manageable in an ordinary car. After approx 2km, you will cross a wooden bridge over a mountain stream and come to a layby. Park here, and follow the road for ~100m before taking the footpath on your right to ascend to some farm buildings. Upon reaching the junction with the vehicle track, turn right following the well-signed footpath for the Colle Greguri. Total walk in is approx. 45 minutes, with 250m of ascent.