Gala Yuzawa is a ski resort located quite conveniently to Tokyo. There are occasional seasonal shinkansen (bullet trains) that stop at Gala Yuzawa Station. You can ski or snowboard right out of the station.
ガーラ湯沢スノーリゾート
Yuzawa 1039-2, Yuzawa-machi, Minamiuonuma-gun, Niigata-ken, 949-6101
08:00-17:00