望楼NOGUCHI登別
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Private onsen bath in guest rooms, for overnight guests only
A June 2026 Google review states the in-room bath water is diluted (加水) while the shared baths run undiluted (加水なし); kept the site's own room-bath copy (implying source water) since it's the more authoritative source, but the conflict is real.
Shared bathing area for all genders
Welcomes children and families
Children 12 and under (including infants) are not accepted as guests; the hotel positions itself as an adults-only private retreat.
Shower, wash stations, soap and shampoo provided
Relaxation space for after bathing
On-site or nearby parking available
Every room here is a suite with its own private view bath, so you can soak in Noboribetsu's milky, faintly sulfurous water looking out at the mountains without leaving your room. There's also a shared indoor bath framed by a small Japanese garden, an open-air bath surrounded by greenery, a dry sauna with a cold plunge, and a private reservable ganbanyoku (岩盤浴) room. It's an adults-only hotel, no guests 12 and under, built for couples and travelers wanting a quiet stay in one of Hokkaido's best-known onsen towns.
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Last updated July 30, 2026