more info :
How to reach Trentino:
From Venice airport, there are many buses, that will drop you till Venice train station called Venezia Santa Lucia railway station, from there Forccia rossa, Frecciabinca are connecting, fast trains.
1. There are trains which starts from Trento and end at Venice.
2. Fast trains are connecting trains: like from Verona or Bolzana
3. By looking at the train number we will find out and thats easy in finding
4. Slow train 3 hrs 30 min journey, fast train 2 hours.
5. Forccia rossa, Frecciabinca are connecting, fast trains.
Regionale, Regionale veloce are medium fast trains
link to check train fares and timings: