Tamagawa Onsen

日本の山岳温泉リゾート 新玉川温泉
Info pending

Akita Semboku

秋田県 仙北市

Onsen RyokanFree-Flowing Onsen

AT A GLANCE

Tamagawa Onsen is an acidic spring, carbon dioxide spring, iron spring, and chloride spring (pH 1.1, strongly acidic). Naturally flowing (no recycling or dilution). Contains ≥50 mg/kg of metasilicic acid, certified as a beauty spring. Per Japan's Ministry of the Environment guidelines, indicated for atopic dermatitis and psoriasis.

How Long to Stay (Toji)
Start with 2 nights / 3 days

Japan’s Ministry of the Environment notes that even a short stay refreshes you. For a full therapeutic cure, around 2–3 weeks is the guideline.

More on toji length
Stay at this hotel
PR

Tamagawa Onsen

From¥17,050/ person / night (tax incl.)
4.4(1799)

Approx. lowest rate (varies by date & guests)

Book on Rakuten Travel

Powered by Rakuten Travel

USAGE
Free-Flowing Onsen
Pure spring water — no dilution, no recirculation
HeatedNo
DilutedNo
RecycledNo
FilteredNo
DisinfectedNo
AdditivesNo
▸Note

The temperature, pH and component values shown here are based on the hot spring analysis (source). Actual values in the bath may differ depending on heating, dilution, recycling and filtration. Please check current usage status at the facility.

FACILITY INFO
AI draft (unverified)
Official site
Private bath (Kashikiri)
Available
About tattoos and onsen
Travelers with tattoos can still bathe comfortably in a private bath (Kashikiri) or a room with a private open-air bath.
Hours
Weekdays: 10:00〜15:00
Weekends & holidays: 10:00〜15:00
Last admission for day-use bathing is 14:30. Summer season (mid-April to Nov 30) may be 9:00-16:00 (last admission 15:30), and winter season (Dec 1 to mid-April) may be 9:00-13:30.
Closed days: Open daily
Transit
From JR Tazawako Station (JR田沢湖駅), take the Ugo Kotsu Bus (羽後交通バス) "Express Tamagawa Line" (急行玉川線) (or "Express Shin-Tamagawa Line" (急行新玉川線) during winter) for approx. 70-80 minutes. Get off at Shin-Tamagawa Onsen (新玉川温泉) bus stop, and it's right there.
Parking
Free parking available. Accommodates approx. 100-120 passenger cars. No reservation required.
Day use fee
¥800Standard adult rates apply. There is an announcement regarding a revision of day-use bathing fees from April 1, 2026, but the specific new rates have not been disclosed.
Facilities
Public BathOpen-air BathPrivate Rental BathIndoor Stone Sauna (Ganbanyoku)Bathing Consultation RoomKenyu Hiroba (Training Room)ShopSauna
House rules
Due to the strong acidity of the hot spring water, we kindly ask that children aged 0-2 refrain from staying. Guest rooms do not have private baths.
This information may change without notice. Please contact the facility directly for accurate details.

Choose a ryokan in Lake Tazawa & Tamagawa

Plan your onsen trip

Onsen towns are often rural with patchy Wi-Fi and limited public transport. Sort out data, tours and a car before you go.

Includes affiliate links

REVIEWS
✨ The descriptions, catch phrases, and translations on this page are generated by AI (Claude). pH, temperature, and component values are OCR-extracted from the official analysis report. Learn more