Tounosawaonsen Motoyu Kansuirou

元湯 環翠楼
Info pending

Kanagawa Hakone

神奈川県 箱根町

Onsen RyokanDay-use BathFree-Flowing Onsen

AT A GLANCE

Tounosawaonsen Motoyu Kansuirou is a simple spring (pH 8.8, alkaline). 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 autonomic disorder, insomnia, and fatigue recovery.

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
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This spring’s analysis values in one image—save it and post it to your feed or story.

Sample caption

Tounosawaonsen Motoyu Kansuirou (Hakone) Simple Spring / pH 8.8 / 48.2℃ #onsen #hakone #simplespring https://onsen-analysis.com/en/onsen/tounosawaonsen-motoyu-kansuirou?utm_source=card&utm_medium=social&utm_campaign=onsen_card

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
No tattoosTattoos are permitted in private in-room hot spring baths, but not in public indoor or open-air baths.
Private bath (Kashikiri)
Available
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: 15:00〜09:30
Operating hours for Taisho Bath, open-air bath, and private bath 'Suehiro no Yu'. Private use of the open-air bath is available from 10:00 PM to 4:00 AM the next day.
Transit
5-minute walk from Hakone Tozan Railway Tōnosawa Station (塔之沢駅). Approximately 13-minute walk from Hakone-Yumoto Station (箱根湯本駅) (or about 3 minutes by microbus, 100 yen one-way). Approximately 25 minutes by bus from Odawara Station (小田原駅), alight at 'Kami-Tōnosawa' (上塔之沢).
Parking
Free parking available (30 spaces, first-come, first-served). Free for overnight guests.
Facilities
Public BathOpen-air BathPrivate BathStone SaunaBarBanquet HallTable TennisSouvenir Shop
House rules
All guest rooms are non-smoking (effective March 1, 2026). Please refrain from bringing in outside food and drinks.
This information may change without notice. Please contact the facility directly for accurate details.
Last updated: 5/27/2026

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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