Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Uses natural hot spring water
Private bath available for day-use visitors or hotel guests to reserve
Shared bathing area for all genders
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
Mountains
ForestThree bath areas fed by Zao Onsen's milky, strongly acidic sulfur water, run free-flowing (kakenagashi). The outdoor rotenburo, Kamoshika Asobi-no-yu (かもしか遊びの湯), sits in the forest; two indoor areas, Jurin-no-yu (樹林の湯) and Asunaro-no-yu (あすなろの湯), rotate by gender. The hotel is part of the Takamiya (高見屋) group and sits directly on the Zao ski slopes.
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Anastasia
Another sulfur onsen with a scenic rotenburo that let us in for free because we were staying at one of the chain's hotels. Besides four baths at different temperatures (two indoor, two outdoor), the lobby has a free drink bar with coffee, tea, and local souvenir wafers. They also gave us free towels.
