If we arrive in Bolzano by train, how could we get to Ortisei or Castelrotto? I know there are good busses, but how would we find out schedules?
Ck the internet for Bus 350.
Start with Rome2Rio.com
Here is the schedule for the 350:
https://www.valgardena.it/dl/skibus/2023_24/350_1012_14122024.pdf
Ortesei is Sankt. Upright in German.
For Castelrotto (Kastelruth in German) you can take the 170.
https://www.suedtirolmobil.info/fileadmin/pdf/2024/170_20231210.pdf
Note that you can go from Castelrotto to Ortesei on the 172.
Thank you so much for your quick replies!