The easiest way to travel to Oppdal is by train, either from Oslo or from Trondheim.
It is also possible to drive and you will find free parking easily accessible in Oppdal and around the festival venue. If you are a pilot, Oppdal has a small air strip, so flying in is always an option!
If you have any questions, send an email to firstname.lastname@example.org and she will help you the best she can.
Hope to see you in Oppdal!