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Yamagata, Yamagata / 蔵王温泉

Zao Onsen

A hot-spring town said to date back 1,900 years, with Tohoku's most acidic sulphur water (pH 1.25-1.6) and three public baths open 6:00-22:00 for 300 yen.

A slope covered with snow-encrusted trees under a blue sky
Snow monsters at Zao Onsen Ski Resort, not the hot-spring town (photo taken December 2016)Photo: ZAO Ropeway / Wikimedia Commons, CC BY 4.0 (resized) · License · Source

Last official check

25 Sept 2026

Traveler reports

0

Reports open in Phase 2

Next scheduled check

24 Dec 2026

Before you go

Only facts we confirmed on official sources are shown. Anything else is marked “Not checked yet”.

Opening hours

The public baths (Kamiyu, Shimoyu and Kawarayu) are open 6:00-22:00 all year.

Checked 25 Sept 2026 on the official site
Closed

Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.

Admission

Public baths: adults 300 yen, children 100 yen.

Checked 25 Sept 2026 on the official site
Getting there

About 40 minutes by bus from Yamagata Station to the Zao Onsen bus terminal; about 20 minutes by car from Yamagata-Kaminoyama IC.

Checked 25 Sept 2026 on the official site
Parking

Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.

Payment

At the public baths, put the fee in the box at each bath.

Checked 25 Sept 2026 on the official site
Accessibility

Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.

Found wrong or outdated information? Let us know

Address: Yamagata, Yamagata (Japanese address: 山形県山形市蔵王温泉)

Official site: https://zaomountainresort.com/about/

Location

Smaller pins are other spots nearby.

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Nearby spots

Distances are straight-line distances, not travel distances.

Crowds

Crowd level

Not checked yet — no official source yet, and not enough traveler reports.

Best time to visit

Not checked yet — no official source yet, and not enough traveler reports.

Peak time

Not checked yet — no official source yet, and not enough traveler reports.

Busiest days

Not checked yet — no official source yet, and not enough traveler reports.

Busiest season

In winter (January-February) you can see the snow monsters (rime-covered trees) from the Zao Ropeway, lit up at night; in summer, the Okama crater lake.

Checked 25 Sept 2026 on the official site
Latest traveler report
None yet

Traveler crowd data by time of day appears after 5 traveler reports (0 so far).

You can check typical busy hours in Google Maps ("Popular times" on the place's page). Open this spot in Google Maps

Visiting respectfully

  • Local etiquetteThe town has 3 public baths, 3 footbaths and 5 day-use bathhouses, open to non-guests.Checked 25 Sept 2026 on the official site

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