Hakone Kowakien Yunessun

箱根小涌園ユネッサン · Hakone Onsen

OK if covered (day visit)

Can you bathe here with a tattoo?

This is the question we built the site around, so we answer it per situation.

Visiting for the day

Yes, if you cover it up

Tattoos must be covered with a patch in the main baths.

Source: official website · checked 2026-08-28

How it scores

Every onsen on this site is scored on the same five things.

Rated from research

Water2

Comfort2.5

Setting3.5

Access4.5

○Somewhere to sit — You can spend the day here

△Anything else nearby — Nearby, but off to one side

A swimsuit water park rather than an onsen, built for families and busy in season. Come for the slides and theme baths, and cross to Mori no Yu next door if you actually want to bathe naked in hot spring water.

Scored from official photos, maps and transport information — not from a visit.

The baths

Indoor bath

Swimsuit-required indoor spa zone (theme baths, water slides). Not a traditional naked-bathing onsen - see 'Motoyu Mori no Yu' for that.

Open to day visitors

Open-air bath

Swimsuit-required outdoor zone.

Open to day visitors

Practical details

Day visits: Yes — you can bathe without staying overnight.
Varies by season: August 9:00-19:00 (last entry 18:00); September weekdays 10:00-18:00 (last entry 17:00), September Sat/Sun/holidays 9:00-19:00 (last entry 18:00)
Day visit price: ¥2,500
Variable pricing by date tier: adults 2,500 yen (tier A) / 2,800 yen (tier B) / 3,000 yen (tier C). Value recorded is tier A. A combined 'Yunessun & Mori no Yu' passport is 3,500-4,000 yen.
Staying overnight: Not confirmed
Getting there: Address is 1297 Ninotaira, Hakone-machi, in the Kowakidani area. Reached by Hakone Tozan Bus from Hakone-Yumoto or Odawara Station; a car is not required.
Official website: www.yunessun.com

Visit the official website ↗

Staying nearby

Where to stay in Hakone OnsenBooking.com ↗

What we have not confirmed

We would rather show a gap than guess.

We have not confirmed whether it takes overnight guests.