you can reach Alpe Motta by car only during the night.
in daily hours you must take a little train like a funicular from Campodolcino, or a skilift from Madesimo
it's a very quiet place very nice for winter sports
it's forbidden to caravans to stay in Alpe Motta
(I didn't know that!!!!)
this is the webcam link (it works only in winter time)