Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Private bath available for day-use visitors or hotel guests to reserve
Private onsen bath in guest rooms, for overnight guests only
Allows entry with visible tattoos
Tattooed guests may be restricted from the shared infinity onsen but can use in-room or private (kashikiri) baths instead.
Restaurant or dining open to visitors (not just hotel meal plans)
On-site restaurants HITO by TACUBO (wood-fire Italian) and Sukiyaki Kappo Hiyama.
MUWA NISEKO is a hotel in Hirafu with a natural hot spring bath on its top floor, an infinity-edge rotenburo said to be the first of its kind in Japan, looking straight out at Mt. Yotei. There's also an indoor bath, a sauna, and a private (kashikiri) bathing option for guests who'd rather bathe alone, and some suites come with their own in-room onsen bath.
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Last updated August 5, 2026