What type of hot spring is Kusatsu Onsen Itouyen Hotel Kusatsu?

Kusatsu Onsen Itouyen Hotel Kusatsu is classified as "酸性水素・硫酸塩・塩化物温泉（低張性酸性高温泉）" (酸性泉, 塩化物泉, 硫酸塩泉 spring type).

What is the pH of Kusatsu Onsen Itouyen Hotel Kusatsu?

Kusatsu Onsen Itouyen Hotel Kusatsu (Bandaiko) has a pH of 1.75. It is strongly acidic with high antimicrobial properties.

Does Kusatsu Onsen Itouyen Hotel Kusatsu have beauty benefits for skin?

Yes. Kusatsu Onsen Itouyen Hotel Kusatsu contains 528.3mg/kg of metasilicic acid, exceeding the 50mg/kg beauty spring standard. It helps improve skin texture and moisture retention.

Image: 楽天トラベル

Kusatsu Onsen Itouyen Hotel Kusatsu

草津温泉　伊東園ホテル草津

Info pending

Gunma 草津町

群馬県草津町

Onsen Ryokan

AT A GLANCE

Kusatsu Onsen Itouyen Hotel Kusatsu is an acidic spring, chloride spring, and sulfate spring (pH 1.8, strongly acidic). 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.

SOURCES

♨Bandaiko

万代鉱

Acidic hydrogen sulfate chloride spring (hypotonic acidic high-temperature spring)

Sulphate SpringpH 1.7594.6℃Self-flowi…

See effects, components & details

If a source spring listed for this facility looks incorrect, please contact us.

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.

Kusatsu Onsen Itouyen Hotel Kusatsu

From¥8,998/ person / night (tax incl.)

4.0(717)

Approx. lowest rate (varies by date & guests)

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USAGE

Usage status is unknown — Information from facility postings or official sites has not been confirmed. Please check with staff on site.

▸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

Phone

0570-058-780

This information may change without notice. Please contact the facility directly for accurate details.

Choose a ryokan in Kusatsu

Learn more

Acidic Spring — benefits, bathing tips, and onsen-hopping order

By health concern

Conditions this spring type may help with

Cold Sensitivity Skin Beauty and Dry Skin Atopic Dermatitis Psoriasis Cutaneous Pyogenic Infection Wound Healing

ACCESS

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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