Hello, I'm going to Varenna from Bergamo by train. I understand that you need to get off in Lecco and transfer a train going to Varenna. Do I need two separate train tickets for this? (Bergamo to Lecco and Lecco to Varenna) or there is only one ticket provided for the whole journey?
Also, can I purchase return train ticket in advance? Because I've read somewhere that there are no ticket machines in Varenna? Thank you.