Hitou: Secluded Hot Springs

The Japan Association of Secluded Hot Spring Inns (日本秘湯を守る会) is a network of remote, traditional onsen ryokan founded in April 1975 by Iwaki Ichizo (岩木一二三) of the Asahi Travel Club. It began with 33 inns that the big travel agencies of the day ignored: small, family run, often a single inn deep in a mountain valley, reachable only on foot in places and shut for the heaviest months of winter. The guiding phrase is 秘湯は人なり, "the secret spring is the people."

Member inns hang a distinctive white paper lantern (提灯) at the entrance. It is the mark of the association and the easiest way to recognise a member on arrival.

What makes an inn a member

Members tend to be small to mid sized ryokan with their own source water, chosen for character rather than scale. Many are 一軒宿 (a lone inn with no neighbours), set beside a river, a gorge, or a volcanic slope. The association exists to help these places survive depopulation and the pull of mass tourism while keeping their landscape, cooking, and bathing culture intact.

The stamp book (スタンプ帳)

The reward scheme has run since 1983 and is the heart of the association for many travellers.

• What it is: a stamp book handed out at the front desk of member inns.
• How it works: each overnight stay at a member inn earns one original stamp from that inn.
• The reward: collect 10 stamps within 3 years and the association invites you back for a free one night stay with two meals at any one of the inns where you were stamped.
• Cost: the book itself is free (a small charge applies at some inns).

Stamping rules

1. Overnight stays only. A stamp requires a stay of one or two nights with breakfast and dinner. Day-use bathing does not earn a stamp.
2. Eligible bookings. Direct phone booking with the inn, the association's official website, and Rurubu Travel (official web channel) all qualify.
3. Ineligible bookings. Group bookings and general online travel agents such as Jalan and Rakuten do not earn a stamp.
4. Active members only. Only stays at inns that are current members at the time count toward the 10.
5. Three year window. All 10 stamps must be collected within three years of the first stamp.

The member inns

The association currently lists around 130 inns spread the length of the country, with the densest clusters in Nagano, Fukushima, Akita, Yamagata, Niigata, and Gunma. The list on this page is matched to Onsen Oni's own catalog, so each inn links through to its full page here, and out to its entry on the association's official site where one exists.

Earning the Onsen Oni badge

The Hitou badge is awarded by Onsen Oni moderators to users who complete a stamp book: 10 different member inns within 3 years. Send evidence (a filled stamp book, or confirmation of your free stay) through the feedback channel and a moderator will grant it.

This badge is repeatable: the number on your tile is how many stamp books you have completed.

Sources

• 日本秘湯を守る会 (Official site)
• Member inn list (Official)
• Stamp book guide (Official)
• 日本秘湯を守る会 (Wikipedia)