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Kotaki KōSen

小滝鉱泉こたきこうせん

Lodging
Kanto·Tochigi

Day Use

Yes
10:00–17:00
¥500

Towel included

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathNo

Open-air outdoor bath

Indoor BathYes

Enclosed indoor bathing area

Capabilities

Mixed BathingNo

Shared bathing area for all genders

Policies & Services

DiningNo

Restaurant or dining open to visitors (not just hotel meal plans)

WashingYes

Shower, wash stations, soap and shampoo provided

TowelsYes

Towels available to rent or borrow

ParkingYes

On-site or nearby parking available

Views

River
Waterfall
Forest

About

Kotaki Kosen (小滝鉱泉) is a small mountain inn in Yaita, Tochigi, reached by a winding road through the forest. The baths are indoor (separate for men and women), fed by a cold mineral spring that is heated for bathing. A stream and a small waterfall run just in front of the building, with trees on all sides. Meals are served in the room. Day use is available.

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Last updated June 25, 2026