CHOOSE A RYOKAN

Ryokan and onsen hotels in Lake Tazawa & Tamagawa

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

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Stays in Lake Tazawa & Tamagawa

7 stays
Spring types from the analysis reports
  • Iron Spring2 stays
  • Sulfate Spring1 stay
  • pH 1.13–8.3

Spring type and pH come from the main source of the 3 stays whose analysis report we have on file.

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  1. Natse Onsen Towasure

    Natse Onsen Towasure

    Lake Tazawa & Tamagawa, Akita

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

    Sulfate Spring · Alkaline (pH 7.5+)

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    Sources & details
    • Analysis report on file

    Spring type: Sodium-Calcium Sulfate Spring / Free-flowing, with heating, added water or filtering / No water added / Metasilicic acid 42 mg/kg

    Source: in-room bath (akita-fun.jp) · private bath (akita-tourism.com) · Checked May 30, 2026

  2. Tamagawa Onsen

    Tamagawa Onsen

    Lake Tazawa & Tamagawa, Akita

    • Reservable private bath

    Iron Spring · Acidic (pH under 3) · Chloride spring · Free-flowing

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    Sources & details
    • Analysis report on file
    • Free-flowing (posted notice)

    Spring type: Acidic Carbon dioxide-containing Iron (II) Chloride Hot Spring / Free-flowing from the source, with no added water, heating or recirculation / Metasilicic acid 448.8 mg/kg

    Source: private bath (tamagawa-onsen.jp) · Checked May 30, 2026

  3. Tamagawa Onsen

    Tamagawa Onsen

    Lake Tazawa & Tamagawa, Akita

    Iron Spring · Acidic (pH under 3) · Chloride spring · Free-flowing

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    Sources & details
    • Analysis report on file
    • Free-flowing (posted notice)

    Spring type: Acidic Carbon dioxide-containing Iron (II) Chloride Hot Spring / Free-flowing from the source, with no added water, heating or recirculation / Metasilicic acid 448.8 mg/kg

  4. Minamitamagawa Onsen Yuyado Hanaya no Mori

    Minamitamagawa Onsen Yuyado Hanaya no Mori

    Lake Tazawa & Tamagawa, Akita

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

    No onsen analysis report on file yet

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    View rates on Agoda
    Sources & details
  5. Roten Buro Mizusawa Onsen

    Lake Tazawa & Tamagawa, Akita

    • Reservable private bath

    No onsen analysis report on file yet

    Sources & details
    • Private bath checked Oct 2026

    Source: private bath (tsukamoto-sogyo.co.jp) · Checked May 30, 2026

  6. Komagadake Onsen

    Komagadake Onsen

    Lake Tazawa & Tamagawa, Akita

    • Reservable private bath

    No onsen analysis report on file yet

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    Sources & details

    Source: private bath (akita-tourism.com) · Checked May 30, 2026

  7. Nishi Ki Onsen Kurion

    Nishi Ki Onsen Kurion

    Lake Tazawa & Tamagawa, Akita

    • Reservable private bath

    No onsen analysis report on file yet

    Sources & details

    Source: private bath (jalan.net) · 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. Filter by water, or go to the lists by how you bathe (private baths, tattoo-friendly, mixed bathing).

  • 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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