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Ryokan with an open-air bath in the room in Ikaho

Stays in Ikaho where you can soak in an onsen bath on your own room’s terrace.

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Stays in Ikaho

11 stays
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  1. Oyado Tamaki

    Oyado Tamaki

    Ikaho, Gunma

    • Rooms with private open-air bath
    • Reservable private bath

    Property's note: Guests with tattoos are strictly prohibited from using the public bath. Please use rooms with open-air baths or private baths (additional charge) if you have tattoos. However, guests with small, single-point tattoos that can be completely covered by a sticker may use the public bath. Please ask the front desk for stickers.

    Chloride Spring

    pH 6.4
    See the spring data ›
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    • Tattoos OK if covered
    • Analysis report on file
    • Tattoo rule checked Oct 2026

    Spring type: Calcium-Sodium Sulfate, Bicarbonate and Chloride Hot Spring / Metasilicic acid 181 mg/kg

    Source: in-room bath (travel.rakuten.co.jp) · private bath (oyado-tamaki.com) · tattoo rule (oyado-tamaki.com) · Checked May 31, 2026

  2. Hotel Tenbo

    Hotel Tenbo

    Ikaho, Gunma

    • Rooms with private open-air bath
    • Reservable private bath

    Chloride Spring

    pH 6.4
    See the spring data ›
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    • Analysis report on file
    • Private bath checked Oct 2026

    Spring type: Calcium-Sodium Sulfate, Bicarbonate and Chloride Hot Spring / Metasilicic acid 181 mg/kg

    Source: in-room bath (tenbo.com) · private bath (tenbo.com) · Checked May 31, 2026

  3. Ikaho Onsen Hotel Kimura
    • Rooms with private open-air bath

    Onsen analysis report on file

    pH 6
    See the spring data ›
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    • Analysis report on file
    • Private bath checked Oct 2026

    Spring type: Neutral Cold Mineral Spring / Recirculated or disinfected / Water added / Metasilicic acid 66.1 mg/kg

    Source: in-room bath (travel.rakuten.co.jp) · Checked Oct 27, 2026

  4. Ikaho Onsen Hotel Kogoro
    • Rooms with private open-air bath

    Chloride Spring

    pH 6.4
    See the spring data ›
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    Also onAgodaRakuten TravelJalan
    Sources & details
    • Analysis report on file
    • Private bath checked Oct 2026

    Spring type: Calcium-Sodium Sulfate, Bicarbonate and Chloride Hot Spring / Metasilicic acid 181 mg/kg

    Source: in-room bath (travel.rakuten.co.jp) · Checked Oct 27, 2026

  5. Fukuichi

    Fukuichi

    Ikaho, Gunma

    • Rooms with private open-air bath
    • Reservable private bath

    Chloride Spring

    pH 6.4
    See the spring data ›
    PRIncludes affiliate links
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    Also onAgodaExpediaBooking.comRakuten Travel
    Sources & details
    • Analysis report on file

    Spring type: Calcium-Sodium Sulfate, Bicarbonate and Chloride Hot Spring / Free-flowing, with heating, added water or filtering / No water added / Metasilicic acid 181 mg/kg

    Source: in-room bath (jtb.co.jp) · private bath (fukuichi.jp) · Checked May 31, 2026

  6. Ikaho Akeno-ya

    Ikaho Akeno-ya

    Ikaho, Gunma

    • Rooms with private open-air bath
    • Reservable private bath

    No onsen analysis report on file yet

    PRIncludes affiliate links
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    Sources & details
    • Private bath checked Oct 2026

    Source: in-room bath (travel.yahoo.co.jp) · private bath (travel.yahoo.co.jp) · Checked Oct 28, 2026

  7. Ikaho Onsen Kanouya
    • Rooms with private open-air bath
    • Reservable private bath

    No onsen analysis report on file yet

    PRIncludes affiliate links
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    • Private bath checked Oct 2026

    Source: in-room bath (cable-yado.com) · private bath (cable-yado.com) · Checked Oct 27, 2026

  8. Ikaho Onsen Todoroki
    • Rooms with private open-air bath
    • Reservable private bath

    No onsen analysis report on file yet

    PRIncludes affiliate links
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    Sources & details
    • Private bath checked Oct 2026

    Source: in-room bath (travel.rakuten.co.jp) · private bath (travel.rakuten.co.jp) · Checked Oct 28, 2026

  9. Ikaho Onsen Ryokan Sakurai
    • Rooms with private open-air bath
    • Reservable private bath

    No onsen analysis report on file yet

    PRIncludes affiliate links
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    Sources & details
    • Private bath checked Oct 2026

    Source: in-room bath (ikaho-sakurai.com) · private bath (ikaho-sakurai.com) · Checked Oct 28, 2026

  10. Kounkaku

    Kounkaku

    Ikaho, Gunma

    • Rooms with private open-air bath

    Chloride Spring

    pH 6.4
    See the spring data ›
    PRIncludes affiliate links
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    Also onAgodaExpediaRakuten TravelJalan
    Sources & details
    • Analysis report on file

    Spring type: Calcium-Sodium Sulfate, Bicarbonate and Chloride Hot Spring / Metasilicic acid 181 mg/kg

    Source: in-room bath (travel.rakuten.co.jp) · Checked May 31, 2026

  11. Ikaho Grand Hotel

    Ikaho Grand Hotel

    Ikaho, Gunma

    • Rooms with private open-air bath

    No onsen analysis report on file yet

    PRIncludes affiliate links
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    Also onExpediaBooking.comRakuten TravelJalan
    Sources & details

    Source: in-room bath (itoenhotel.com) · Checked May 31, 2026

Sorted using onsen analysis reports and what each property states on its own or booking-site page.

About in-room open-air baths
Rooms with a private open-air bath
The bath is part of your guest room (kyakushitsu rotenburo). Usually only some room types have one, so check the room type when you book.

The water in a room’s bath may come from a different source, or be heated or recirculated differently, than the shared baths. Even for stays with an analysis report, ask the property how the in-room bath is supplied.

How we know

A stay is listed only when its official website or booking-site page says some rooms have a private open-air bath. Usually only certain room types have one, so check the room type when you book.

  • Private bath and tattoo information comes from each property's official website or other published information. Every item links to its source and shows the date we last checked it. Items we could not source are left out.
  • Spring type, pH and how the water is used come from the onsen analysis report that Japanese law requires each facility to post, and from the facility's water-usage notice. They are shown only for stays whose report we have on file.
  • Details can change after we check them. Please confirm with the property before you book, especially tattoo rules and private bath fees.
  • Booking buttons are affiliate links. They do not affect which stays are listed.
See also
Ryokan with private onsen in Ikaho