Yuusainoyado Boukai
Image: Agoda
PR · Agoda

Yuusainoyado Boukai

悠彩の宿 望海
Verified

Oita Beppu

大分県 別府市

Onsen Ryokan

AT A GLANCE

Yuusainoyado Boukai is a bicarbonate spring and chloride spring (pH 8.3, mildly alkaline). Contains ≥50 mg/kg of metasilicic acid, certified as a beauty spring. Per Japan's Ministry of the Environment guidelines, indicated for skin beauty and dry skin.

SOURCES
♨Yusai no Yado Bokai Honkan
悠彩の宿 望海 本館
Sodium Bicarbonate and Chloride Hot Spring
炭
Carbonated Spring
塩
Chloride SpringpH 8.356.3℃動力揚湯
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.

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Sample caption

Yuusainoyado Boukai (Beppu) Carbonated Spring / Chloride Spring / pH 8.3 / 56.3℃ #onsen #beppu #carbonatedspring https://onsen-analysis.com/en/onsen/yuusainoyado-boukai?utm_source=card&utm_medium=social&utm_campaign=onsen_card

USAGE
HeatedNo
DilutedYes
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
Official site
Official siteOpen
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: 11:00〜15:00
Weekends & holidays: 11:00〜15:00
Closed days: Irregular holidays
Transit
15-min walk or 3-min taxi from JR Beppu Station (JR Beppu Eki). 15-min drive from Beppu IC (Beppu IC). 40-min drive from Oita Airport (Oita Kuko).
Parking
Free parking available (40 spaces).
Day use fee
¥500Available only to dining guests. Elementary school students to 5 years old: 250 yen.
Phone
0977-22-1241
Facilities
Public BathOpen-Air BathSaunaCold BathShopVending MachinesCoin LaundryCafe
Languages supported
EN
Sources
Official
This information may change without notice. Please contact the facility directly for accurate details.
Last updated: 6/10/2026
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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