Getting there
Parking:
At the bottom station of Diavolezza you can park for free.
Public transport:
10 min walk from Pontresina railway station to the Pontresina mountaineering school office.
Accomodation / comfort
Diavolezza: Hotel
Boval: basic SAC hut
Good to know
Packed lunches can also be purchased at the huts. So you don't have to carry all the provisions for all three days.