湯元ニセコプリンスホテル ひらふ亭

This is a natural hot spring (sodium chloride/bicarbonate spring) in the Hirafu Onsen area. It features an open-air bath, sauna, and reclining bath, and offers views of Mount Yotei. Day-use bathing: Regular season: Adults 1,200 yen, Children 600 yen / Winter high season (December-March): Adults 3,000 yen, Children 1,500 yen. Please check the official website or call before your visit.