Lake Ashi, Hakone, with Mt. FujiArea photo · not this facility

Hakone · Ryokan / hotel

Hakone Kowakudani Onsen Mizu no Oto

箱根小涌谷温泉 水の音

TattoosNot statedDay visitNot statedPrivate bathYes
Checked Oct 29, 2026

The short answer

Tattoos: not stated on the official site; Day visit: not stated on the official site; Private bath: yes — per the official site, checked .

Can I get in with tattoos?

Not stated

The official site doesn't say. That isn't a no — ask before you go.
The official site doesn't say either way. That isn't the same as "no" — it's worth asking the facility before you go.
Places with a stated ruleOfficial site
Day visitNot stated on the official siteThe official site doesn't say. That isn't a no — ask before you go.

Tattoo rule stated · A–Z, not ranked

Other baths in Hakone

Can I visit just for the bath?

Day visits, without staying overnightThe official site doesn't say either way. That isn't the same as "no" — it's worth asking the facility before you go.

Is there a private bath?

Private bath available

Private baths (kashikiri / family baths)
PriceFree
Hours2:00 pm – 1:00 am; 5:00 am – 11:00 am the next morning
BookingNot required (当館の貸切露天風呂はご予約制ではございません。)
Who can use itNot stated on the official site
As stated on the official site.
Official wording · 4 quotes
The hotel also offers three private open-air baths in the garden, free of charge.Source: https://dormy-hotels.com/resort/hotels/mizunoto/hotspring/ · Checked 2026-10-29
Hours: 2:00 pm – 1:00 am and 5:00 am – 11:00 am the next morning.Source: https://dormy-hotels.com/resort/hotels/mizunoto/hotspring/ · Checked 2026-10-29
Usage fee: free.Source: https://dormy-hotels.com/resort/hotels/mizunoto/hotspring/ · Checked 2026-10-29
The private open-air baths at this hotel do not require reservations.Source: https://dormy-hotels.com/resort/hotels/mizunoto/hotspring/ · Checked 2026-10-29

Before you go

Tick off before you leave

Ask at the deskStaff tap はい or いいえ

Rules can change. This is what the official page said on Oct 29, 2026. Check with the facility if it matters for your trip.

1 official pageEvery line above, checked Oct 29, 2026
  1. https://dormy-hotels.com/resort/hotels/mizunoto/hotspring/

Official site: https://dormy-hotels.com/resort/hotels/mizunoto/. English name is our romanization.

More in HakoneAll 128 places, A–Z. See the list
HakoneRyokan / hotel
Official site