Kusatsuonsen Tenojiya
草津温泉 ての字屋
Gunma Kusatsu
群馬県 吾妻郡草津町
Image: 楽天トラベル
Kusatsuonsen Tenojiya
草津温泉 ての字屋
Gunma Kusatsu
群馬県 吾妻郡草津町
Onsen RyokanFree-Flowing Onsen
AT A GLANCE
Kusatsuonsen Tenojiya is a sulfur spring, acidic spring, chloride spring, and sulfate spring (pH 2.0, 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, chronic eczema, and psoriasis.
SOURCES
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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
Tattoo
Confirming
Room with private open-air bath
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: 12:00〜14:00
Weekends & holidays: 12:00〜14:00
Day-use bathing may be unavailable due to priority for overnight guests. Also, the natural rock bath with private hot spring source is for women only during day-use hours.
Closed days: Irregular holidays
Transit
From Naganohara-Kusatsuguchi Station (長野原草津口駅), take a bus for 25 minutes, get off at Kusatsu Onsen Bus Terminal (草津温泉バスターミナル), then walk 5 minutes. Free shuttle service available from Kusatsu Bus Terminal (草津バスターミナル) (reservation required).
Parking
Available, 20 spaces, Free, No reservation required
Day use fee
¥1,000700 yen with Wafumura Tegata (和風村手形) pass. The natural rock bath with private hot spring source is for women only during day-use hours.
Phone
Facilities
Public BathOpen-air BathNatural Hot SpringParkingShuttle BusMassage ServiceWheelchairs for RentStair Lift
This information may change without notice. Please contact the facility directly for accurate details.
REVIEWS
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✨ 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