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Kame-no-Yu (Hakone)

Name: Kame-no-Yu (Hakone)
Address: 1080 Ninotaira, Hakone, Ashigarashimo District, Kanagawa 250-0407, Hakone, Kanagawa, JP
Telephone: +81460-82-2344
Rating: 3.8

3.8★ · 155 Google ratings · Hakone, Kanagawa · 亀の湯

Open in Google Maps Official site (Japanese)

✓ Natural hot-spring water✓ Free-flowing source water✓ Rest area

Before you go

Can you bathe here?

Day visitors

✓ YesVisitors bathed as day guests without reservation, sometimes finding the counter unstaffed.stated by 2 visitors · May 2023 – Feb 2024 · reported in 2024, may have changed

Hours

11:00–19:00from the facility listing

Price

¥650Adult admission rose to 650 yen from April 2025, up from 550 yen charged in earlier reviews (2022-2024).stated by 3 visitors · Oct 2025 – Aug 2026
the facility's website lists ¥820 · source, read 2026-09

Private bath

✓ YesA separate small family/private bath is available, sometimes for an extra fee, alongside the men's and women's baths.stated by 3 visitors · Aug 2024 – Jun 2025

Bathing arrangement

Men and women separateThe facility has separate men's and women's baths plus a family bath.stated by 2 visitors · Aug 2024 – Aug 2026

Tattoos

Not known · call aheadno policy stated in the 32 recent reviews we read or on the facility's website

How we know this

Watch out

Bath temperature

Bath temperature was measured or estimated between 40 and 43°C, described by some as too tepid and by others as too hot.

stated by 3 visitors · Feb 2024 – Jun 2025

Hair dryer

Most visitors say no hair dryer is provided and recommend bringing one, though one review says an old dryer was lent for the family bath.

stated by 3 visitors · Aug 2023 – Aug 2026

Payment

Payment is made in cash, sometimes left in an honesty box when the counter is unattended.

stated by 3 visitors · Aug 2024 – Aug 2026

Price

Adult admission rose to 650 yen from April 2025, up from 550 yen charged in earlier reviews (2022-2024).

stated by 3 visitors · Oct 2025 – Aug 2026

Soap & shampoo

No soap or shampoo is supplied; visitors are advised to bring their own (2023-2026).

stated by 3 visitors · Apr 2024 – Aug 2026

The bath

What you’ll find

Kame-no-Yu is a small, old-fashioned unmanned public bathhouse in Hakone with a single alkaline spring-fed tub, no soap or hot shower water, and cash-only entry.

Indoor baths

1Each bathing room (men's/women's) has just one small indoor tub.stated by 1 visitor · Apr 2024

Rest area

✓ YesA small waiting area with a fan and cold drinks was reported by one visitor.stated by 1 visitor · Aug 2024

The water

Free-flowing (kakenagashi)

✓ YesThe bath water is stated to be genuine source-fed kakenagashi hot spring water.stated by 3 visitors · Apr 2024 – Aug 2026

Spring type

Sodium bicarbonate sulfate chloride springThe posted spring analysis lists a sodium bicarbonate-sulfate-chloride spring type, though other reviewers describe it as simply alkaline and odorless.stated by 1 visitor · Dec 2024

Bath temperature

40°CBath temperature was measured or estimated between 40 and 43°C, described by some as too tepid and by others as too hot.stated by 3 visitors · Feb 2024 – Jun 2025

Practical

What to bring

Payment

Cash onlyPayment is made in cash, sometimes left in an honesty box when the counter is unattended.stated by 3 visitors · Aug 2024 – Aug 2026

Towels

For saleTowels can be purchased on site, but some visitors report no amenities at all and recommend bringing your own.stated by 2 visitors · Aug 2024 – Aug 2026

Soap & shampoo

Not provided — bring your ownNo soap or shampoo is supplied; visitors are advised to bring their own (2023-2026).stated by 3 visitors · Apr 2024 – Aug 2026

Lockers

NoneThere are no lockers, only open baskets for clothes, so valuables must be kept with you or left at the counter.stated by 2 visitors · Aug 2024 – Oct 2025

Hair dryer

NoMost visitors say no hair dryer is provided and recommend bringing one, though one review says an old dryer was lent for the family bath.stated by 3 visitors · Aug 2023 – Aug 2026

Timing