Lake Ashi, Hakone, with Mt. Fuji

Photo: Valeria Gutiérrez / Pexels
This photo shows the area, not this facility.

Hakone · Ryokan / hotel

Hakone Sengokuhara Onsen Ryokan Masuya

箱根仙石原 温泉旅館 万寿屋

This photo shows the area, not this facility.

TattoosNot statedThe official site doesn't say. That isn't a no — ask before you go.Day visitYesAs stated on the official site.Private bathStill checkingWe haven't confirmed the wording yet. Please see the official site.

Official site: http://hakoneonsen-masuya.com/ · Checked 2026-10-29 · English name is our romanization

Can I get in with tattoos?

Not stated on the official site

The official site doesn't say either way. That isn't the same as "no" — it's worth asking the facility before you go.

Can I visit just for the bath?Day visits, without staying overnight

Day visitors can bathe

Hours
10:30 am – 3:30 pm (day visitors)
入浴時間 / 【宿泊】24時間入浴可/【日帰り】10:30~15:30

Bathing hours: overnight guests can bathe 24 hours; day visitors 10:30 am – 3:30 pm.

Source: https://hakoneonsen-masuya.com/spa.html · Checked 2026-10-29

Is there a private bath?Private baths (kashikiri / family baths)

Still being checked

The wording on the official site needs a human check before we show it here. Until then, please see the official site.