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Sanage Onsen Higaeri Onsen Iwaburo Kinsen no Yu

猿投温泉 日帰り温泉岩風呂 金泉の湯さなげおんせん ひがえりおんせんいわぶろ きんせんのゆ

Day-use rock bath with a rare drinking spring in Aichi's highlands

Other
Chubu·Aichi

Day Use

Yes
09:30–23:00

Last entry is at 22:30, half an hour before closing.

¥1,580

Weekday adult ¥1,580; weekend/holiday adult ¥1,680. Includes towel, bath towel, and yukata rental. Children (ages 3–elementary): ¥380 weekday / ¥480 weekend. Members: ¥1,280.

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathYes

Open-air outdoor bath

Indoor BathYes

Enclosed indoor bathing area

SaunaYes

Sauna room of any kind

Cold BathYes

Cold water plunge bath, typically used after sauna

Bathing Arrangements

Mixed BathingNo

Shared bathing area for all genders

Policies & Services

TattooNo

Allows entry with visible tattoos

DiningYes

A restaurant or dining room open to visitors, not only meals for overnight guests

WashingYes

Shower, wash stations, soap and shampoo provided

TowelsYes

Towels to rent or borrow at the desk

Rest AreaYes

Relaxation space for after bathing

ParkingYes

On-site or nearby parking available

Views

Forest

Highlights

Drinking Spring
Jet Bath

Programs

About

Kinsen no Yu (金泉の湯) is a day-use facility at Sanage Onsen (猿投温泉), sitting inside Aichi Kogen Quasi-National Park. The main indoor bath is a large rock-lined pool with jet streams, a reclining section, and a small waterfall spout at one end. Outside, a compact rotenburo is tucked among trees. The spring here is one of the very few natural radon springs in the Tokai region, and it was the first in Aichi Prefecture to receive an official permit for drinking. A tap by the sauna entrance lets you fill a cup or take home up to five liters. Towels and a yukata are included in the entry fee, so you can walk in empty-handed.

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Onsen Oni

Last updated September 19, 2026