Cranmore or Black. Black probably the least of all crowded, Cranmore second. Bretton Woods can be good, too, as it’s just far enough that people either make a destination of it or opt for Attitash/Wildcat. Cannon might be worth the drive as well.

Keep in mind Attitash and Wildcat are part of Vail, so loads of people buy into the Epic pass and they get crowded, especially on this spring break overlap. Loon has a similar problem as it is part of Ikon. What you want are the smaller, independent areas.

If you’re willing to drive then Sunday River could be a great bet as well.