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Yamagata Yamagata City

Zao Kokusai Hotel

Supreme 100% free-flowing cloudy hot spring with the mountain ranges of Zao and the scent of sulfur

  • Zao Onsen
  • Nature Immersion
  • Reserved onsen available
  • Natural Hot Spring
  • Free-flow from source

About Zao Kokusai Hotel

"Zao Kokusai Hotel" is a luxurious hot spring hotel in Zao Onsen, Yamagata City, Yamagata Prefecture. Its proud large bath, Hachiemon no Yu, is an overwhelming space filled with the warmth of wood, featuring exposed log beams and a maximum ceiling height of 6.5 meters. The strongly acidic sulfur spring is used as 100% free-flowing natural hot spring water with no dilution, heating, or recirculation, allowing guests to enjoy beautifully milky-white, cloudy water and hot spring minerals. In the stone open-air bath, you can enjoy a luxurious soak while feeling the great nature of Zao on your skin. You can fully savor an indulgent, supreme spa retreat experience to your heart's content.

Hot SpringONSEN

Free-flow from source

Large Bath Hachiemon no Yu

A strongly acidic, milky-white cloudy hot spring gushing from the Omiya source spring and Yuza no Sawa source spring. A completely free-flowing natural hot spring with no dilution, heating, or recirculation whatsoever. It has a spectacular indoor bath filled with the warmth of wood, where exposed log beams stand out powerfully beneath a high ceiling, and a stone open-air bath where you can feel the mountain scenery and fresh breeze of Zao. With the scent of sulfur and fine hot spring minerals sparkling as they dance through the air, this exquisite skin-beautifying hot spring can be enjoyed with all five senses.

Facility Information

Address
933 Zao Onsen, Yamagata City, Yamagata Prefecture 990-2301
Business Hours
14:00〜10:00

[Day-use bathing] 12:00-15:00

Closed Days
Irregular Holidays
Gender Access
Gender Separated
Tattoo Policy (Communal Bath)
No Tattoos
Official Website
View official site

Access

View official site

JAPAN ONSEN COLLECTION

When your heart unwinds,

The Finest Moment

A journey through 52 renowned hot springs and saunasJAPAN ONSEN & SAUNA GUIDE

Japan's Finest Onsen & Sauna

52 Extraordinary Destinations

52

A curator who has visited over 300 facilities nationwide handpicks 52 exceptional ones they wholeheartedly recommend. The only guidebook that deeply explores the allure of onsen and sauna—plus culture and etiquette.

Read a free preview
◆
JAPAN ONSEN COLLECTION
JAPAN ONSEN COLLECTIONJapan's Finest Onsen & Sauna
A journey through 52 renowned hot springs and saunasJAPAN ONSEN & SAUNA GUIDE

Japan's Finest Onsen & Sauna

52 Extraordinary Destinations

A curator who has visited over 300 facilities nationwide handpicks 52 exceptional ones they wholeheartedly recommend. The only guidebook that deeply explores the allure of onsen and sauna—plus culture and etiquette.

300+Facilities
Visited
Read a free previewJAPAN ONSEN & SAUNA GUIDE