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Onsen ryokan and hotels in Iwate

Every onsen stay in Iwate we can back with data: onsen analysis reports and facility details checked against the property’s own pages.

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Stays in Iwate

19 stays

5With analysis report
2Free-flowing
6In-room open-air bath
11Reservable private bath
3Tattoos OK in shared baths
2Mixed bath

Spring types from the analysis reports

Simple Spring4 stays
Chloride Spring1 stay
pH 7.9–9.3

Spring type and pH come from the main source of the 5 stays whose analysis report we have on file.

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Ryokan with private onsen15 stays Tattoo-friendly onsen ryokan15 stays Ryokan with an open-air bath in the room6 stays

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ANA Crown Plaza Resort Appi Kogen Onsen
Iwate
- Rooms with private open-air bath
- Reservable private bath
Property's note: Guests with tattoos are generally not permitted to use the baths. However, bathing is allowed if tattoos can be covered with a tattoo cover-up sticker.
No onsen analysis report on file yet
PRIncludes affiliate links
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Also onExpedia Booking.com Rakuten Travel Jalan
Sources & details
- Tattoos OK if covered
- Tattoo rule checked Oct 2026
Source: in-room bath (ikyu.com) · private bath (appi.co.jp) · tattoo rule (ozmall.co.jp) · Checked May 30, 2026
Sukawa Kogen Onsen
Iwate
- Reservable private bath
- Tattoos OK if covered
Property's note: Guests with tattoos are not permitted to use the public baths. However, if tattoos are completely covered with a tattoo cover-up seal or similar, use is permitted.
No onsen analysis report on file yet
PRIncludes affiliate links
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Sources & details
- Tattoo rule checked Oct 2026
Source: private bath (jalan.net) · tattoo rule (sukawaonsen.jp) · Checked May 30, 2026
Namari Onsen Fuji San Ryokan
Hanamaki, Iwate
Simple Spring · Alkaline (pH 7.5+) · Free-flowing
pH 8.2
See the spring data ›
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Sources & details
- Analysis report on file
- Free-flowing (posted notice)
Spring type: Simple Hot Spring / Free-flowing from the source, with no added water, heating or recirculation / Metasilicic acid 47.6 mg/kg
Shidotaira Onsen Hotel Shidotaira
Hanamaki, Iwate
- Reservable private bath
Chloride Spring · Alkaline (pH 7.5+)
pH 7.9
See the spring data ›
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Sources & details
- Analysis report on file
Spring type: Sodium Sulfate and Chloride Spring / Metasilicic acid 125 mg/kg
Source: private bath (jalan.net) · Checked May 30, 2026
Osawa Onsen Sansuikaku
Hanamaki, Iwate
- Reservable private bath
Simple Spring · Alkaline (pH 7.5+)
pH 9
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Sources & details
- Analysis report on file
Spring type: Alkaline Simple Hot Spring / Recirculated or disinfected / No water added / Metasilicic acid 58.6 mg/kg
Source: private bath (jalan.net) · Checked May 30, 2026
Osawa Onsen Tojiya
Hanamaki, Iwate
Simple Spring · Alkaline (pH 7.5+) · Free-flowing
pH 9
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Sources & details
- Analysis report on file
- Free-flowing (posted notice)
Spring type: Alkaline Simple Hot Spring / Free-flowing from the source, with no added water, heating or recirculation / Metasilicic acid 58.6 mg/kg
Appi Kogen Onsen Hotel
Iwate
- Tattoos OK if covered
Property's note: Guests with tattoos are generally not permitted to use the baths. However, entry is allowed if tattoos can be covered with a tattoo-covering sticker.
No onsen analysis report on file yet
PRIncludes affiliate links
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Sources & details
- Tattoo rule checked Oct 2026
Source: tattoo rule (ozmall.co.jp) · Checked May 30, 2026
Namari Onsen Kokoro no Toki Jusangatsu
Hanamaki, Iwate
- Rooms with private open-air bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: in-room bath (travel.rakuten.co.jp)
Hanamaki Onsen Hotel Hanamaki
Hanamaki, Iwate
- Reservable private bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: private bath (travel.rakuten.co.jp)
Hanamaki Onsen Hotel Koyokan
Hanamaki, Iwate
- 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: private bath (travel.rakuten.co.jp)
Hanamaki Onsen Hotel Senshukaku
Hanamaki, Iwate
- Reservable private bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: private bath (travel.rakuten.co.jp)
Hanamaki Onsen Kashoen
Hanamaki, Iwate
- Rooms with private open-air bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: in-room bath (travel.rakuten.co.jp)
Shin-Namari Onsen Musubi no Yado Airinkan
Hanamaki, Iwate
- Reservable private bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: private bath (travel.rakuten.co.jp)
Hanamaki Onsen Kyo Dai Onsen Nakajima Ryokan
Hanamaki, Iwate
- Reservable private bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: private bath (travel.rakuten.co.jp)
Yamanokami Onsen Bessho Seiryukan
Hanamaki, Iwate
- Rooms with private open-air bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: in-room bath (travel.rakuten.co.jp)
Shidotaira Onsen Yusen Shidate
Hanamaki, Iwate
- Rooms with private open-air bath
No onsen analysis report on file yet
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Sources & details
- Private bath checked Oct 2026
Source: in-room bath (travel.rakuten.co.jp)
Yugawa Onsen Shikisai No Yado Furusato
Iwate
- 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
Source: in-room bath (ikyu.com) · private bath (iwatetabi.jp) · Checked May 31, 2026
Yama no Kami Onsen Yuukaen
Hanamaki, Iwate
Simple Spring · Alkaline (pH 7.5+)
pH 9.3
See the spring data ›
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Sources & details
- Analysis report on file
Spring type: Alkaline Simple Hot Spring / Free-flowing, with heating, added water or filtering / No water added / Metasilicic acid 53.5 mg/kg
Shin Anpi Onsen Seiryuu Kaku
Iwate
- Reservable private bath
No onsen analysis report on file yet
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Sources & details
Source: private bath (travel.rakuten.co.jp) · Checked May 30, 2026

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

How we know

A stay is listed when we have its onsen analysis report on file, or when we checked its private open-air baths, reservable private baths or tattoo rules against its official website or booking-site page. Stays with neither are left out. Lists for each onsen town are under “More onsen towns” below.

This list includes stays whose onsen analysis report we have on file, and stays whose facility details we checked against a source. Stays with neither are left out.
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.

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