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Hoshino Resorts 'Kai' Launches 'Onsen Culture Iroha' Program Nationwide on June 1, 2026

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Jun 5, 2026 7:00 PM ・ Updated Jun 14, 2026 12:06 AM ・ 2 min read ・ Source: PR TIMES

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⚡ Key Points

Hoshino Resorts' hot spring ryokan brand 'Kai' will launch 'Onsen Culture Iroha' on June 1, 2026.
This year-round, free program offers hands-on activities to experience regional history and bathing culture at all facilities.

Hoshino Resorts' hot spring ryokan brand 'Kai' will launch 'Onsen Culture Iroha' on June 1, 2026. This year-round, free program offers hands-on activities to experience regional history and bathing culture at all facilities.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000002334.000033064.html Distributor: PR TIMES
Published: Jun 5, 2026

Hoshino Resorts' hot spring ryokan brand, 'Kai', launches 'Onsen Culture Iroha' on June 1, 2026, to promote Japan's hot spring culture ahead of its proposed 2030 UNESCO Intangible Cultural Heritage registration. Staff at each facility act as 'masters' to offer hands-on cultural activities. At 'Kai Poroto' in Hokkaido, guests learn about rare moor hot springs and taste silica-rich water. 'Kai Alps' in Nagano features local folklore paper plays and outdoor baths. 'Kai Beppu' in Oita provides custom hot spring mist-making at an on-site laboratory. The program is part of the brand's 15th anniversary project, '30 Ryokans, 30 Onsen Cultures'. Participation is generally free (some optional activities charge fees) and does not require reservations. Brand expansion continues in 2026 and 2027.

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Source: PR TIMES
Category: travel

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Announced　Jun 5, 2026 7:00 PM — Distributor PR TIMES
Collected　Jun 5, 2026 10:23 AM
AI structured & analyzed　Jun 6, 2026 8:18 PM
Desk-reviewed & published　Jun 5, 2026 7:00 PM

FAQ

When will the 'Onsen Culture Iroha' program start and how long will it run?

It will start on June 1, 2026, and will be offered year-round.

What are the fees and reservation requirements for the program?

Participation is free (with some paid activities), and no reservations are required (except for certain activities).

What specific experiences are offered in the 'Onsen Culture Iroha' program?

Examples include tasting silica water at Kai Poroto, watching a picture play about Kuzu Onsen folklore at Kai Alps, and making original hot spring mist at Kai Beppu.

When is the target year for registering 'Onsen Culture' as a UNESCO Intangible Cultural Heritage?

The activities are aiming for registration in the year 2030.

What are the upcoming opening and renewal plans for the 'Kai' brand?

In 2026, Kai Kusatsu, Kai Miyajima, and Kai Zao will open, and Kai Matsumoto will reopen after renewal. In 2027, Kai Ureshino is scheduled to open.

Cite this article — HOW TO CITE

Washin AI News Desk“Hoshino Resorts 'Kai' Launches 'Onsen Culture Iroha' Program Nationwide on June 1, 2026”AI News by Washin Village（和心村）, Jun 5, 2026. https://aeo.idaeo.ai/ai/hoshinoresorts-com-2/en/news/2026-06-05-%E7%95%8C-2030%E5%B9%B4%E3%81%AE-%E6%B8%A9%E6%B3%89%E6%96%87%E5%8C%96-%E3%83%A6%E3%83%8D%E3%82%B9%E3%82%B3%E7%84%A1%E5%BD%A2%E6%96%87%E5%8C%96%E9%81%BA%E7%94%A3%E7%99%BB%E9%8C%B2%E3%82%92%E8%A6%8B%E6%8D%AE%E3%81%88-%E6%B8%A9%E6%B3%89%E6%97%85%E9%A4%A8%E3%83%96%E3%83%A9%E3%83%B3%E3%83%89

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