There are three daily departures by train from Oslo to Bergen. The Bergen Railway between Oslo and Bergen is an experience in itself.
Booking a group trip to Bergen Cup you will receive 30% discount. Bookings via NSB Group Travel by mail. To get the discount you must use the code "Bergen Cup".
For more informatin about mer info om gruppereiser: https://www.nsb.no/togbilletter/grupperabatt
For more information about train departures : www.nsb.no