Trysil
Norway's largest resort and its best family operation, everything works, everything is close.
Trysil is the best family resort in Norway because the whole place is engineered around the family week: ski in ski out cabins and hotels, childcare and children's ski school zones at the foot of the slopes, and around 70 km of mostly gentle, tree lined runs spread around a single rounded mountain. Nothing is more than a few minutes away.
It beats Hemsedal for the top spot on convenience and calm, the terrain intimidates nobody and the logistics never bite. Strong teenagers will exhaust the steeper runs by midweek, which is the one honest limit.