Private onsen in Zao Onsen

Yamagata — 蔵王温泉

Zao Onsen: a private onsen of your own

5 stays with a private bath · High in the Zao mountains in Yamagata — a strongly acidic sulfur spa town under the ski slopes

Every property listed here has a private bath — a reservable private bath or an open-air bath in your own room — so tattoos are a non-issue, and so is privacy.

Yamagata · Getting there: High in the Zao mountains in Yamagata — a strongly acidic sulfur spa town under the ski slopes

Zao International Hotel — private onsen
Reservable private bath

Zao International Hotel

Three different reservable baths — forest, village and mountain — each pouring Zao's milky, strongly acidic sulfur water straight from the source, in a big slope-side hotel.

from ~$189 / nightView stay →
Gokan no Yu Tsuruya — private onsen
Reservable private bath

Gokan no Yu Tsuruya

A small inn in front of the Zao bus terminal whose own source bubbles up inside the building — four reservable baths, every one of them 100% free-flowing source water at pH 1.5.

from ~$146 / nightView stay →
Takamiya Ryokan Miyamaso — private onsen
In-room bath + reservable private bath

Takamiya Ryokan Miyamaso

A 300-year-old Takamiya inn: book a Hinakura detached room for your own open-air bath of 100% free-flowing source water, or reserve the private bath — three house sources feed nine tubs here.

from ~$343 / nightView stay →
Hotel Lucent Takamiya — private onsen
Reservable private bath

Hotel Lucent Takamiya

Two cosy reservable baths for two — one indoors, one open-air — in milky-white Zao sulfur water, and day visitors can book them too.

from ~$153 / nightView stay →
Meitoya So — private onsen
Reservable private bath

Meitoya So

A Takamiya-group inn built around its strongly acidic sulfur source (pH 1.25-1.6) — the ceramic semi-open-air bath can be reserved, and the shared baths run free-flowing all night.

from ~$110 / nightView stay →

Prices are a guide from rates checked on Klook in November 2026 and change by date and room type — always confirm the live price on the booking page.