With this hike sure-footedness is needed. Take the Nachtigallensteig and the way no. 9 to the Castle Payersberg (private property). The hike continues along the secondary road and turns off, before Sirmiano di Sotto at a little chapel, left to Pitzon (refreshments). From the Bittnerhof you follow path no. 5B and then path no. 5 down to Nalles.
https://www.merano-suedtirol.it/en/nalles/info-service/information/reach-south-tyrol.html
Fire station car park in Nals / Nalles (Monday to Friday maximum parking time of 10 hours with parking disc).
Good hiking boots, provisions, surefootedness