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Kojiro Onsen

神代温泉こうじろおんせん

Other
Chubu·Toyama

Day Use

Yes
13:00–19:00

Irregular closures; call ahead before visiting.

¥600

Adults ¥600; elementary school children ¥300

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathNo

Open-air outdoor bath

Indoor BathYes

Enclosed indoor bathing area

SaunaNo

Dry heat sauna room

Capabilities

Mixed BathingNo

Shared bathing area for all genders

Policies & Services

TattooYes

Allows entry with visible tattoos

DiningNo

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

WashingYes

Shower, wash stations, soap and shampoo provided

TowelsNo

Towels available to rent or borrow

ParkingYes

On-site or nearby parking available

Highlights

Drinking Spring

About

A small day-use public bath in the Toyama countryside, running on a spring found in 1950 during oil exploration. The iron-rich water turns a deep reddish-brown as it oxidizes, leaving the bath milky and opaque. The old building keeps a genuinely retro feel. Tattoos are welcome.

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Onsen Oni

Last updated June 25, 2026