Matsunoyama Onsen is a ski resort located in Tokamachi, Niigata Prefecture, Japan. It offers a range of skiing and snowboarding opportunities, including a vast powder area on the north slope and five varied courses. The resort is situated near the hot spring town of Matsunoyama Onsen, which is known for its natural hot springs. The area receives heavy snowfall, making it an ideal destination for winter sports enthusiasts.