Private company

Ichinoyu

Ichinoyu is a Japanese hotel chain based in Tōnosawa, founded in 1630.¹

一の湯（いちのゆ）は神奈川県箱根町の塔ノ沢温泉にある、株式会社一の湯が経営する、1630年（寛永7年）創業の老舗温泉旅館である。² From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1630Founded¹

HeadquartersTōnosawa, Japan¹
Websitewww.ichinoyu.co.jp
Legal formkabushiki gaisha¹

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Ichinoyu — Photo: Ichinoyu, CC BY-SA 3.0, via Wikimedia Commons³

Timeline

1630Founded Founded¹

Links

Websitewww.ichinoyu.co.jp¹
Websitewww.ichinoyu.co.jp/eng¹
X (Twitter)x.com/ICHINOYU_HAKONE¹
Facebookwww.facebook.com/ichinoyu¹
Instagramwww.instagram.com/ichinoyu_group¹
YouTubewww.youtube.com/channel/UClOQoQS0ap6WPqI1XBF12GQ¹
WikidataQ17988814

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataIchinoyu on Wikidata
2
WikipediaIchinoyu on the Japanese Wikipedia
3
Wikimedia CommonsIchinoyu photo by Ichinoyu, CC BY-SA 3.0