Osawa Onsen Sansuikaku
大沢温泉 山水閣
Iwate 花巻市
岩手県 花巻市
AT A GLANCE
Osawa Onsen Sansuikaku is a simple spring (pH 9.0, 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.
SOURCES
If a source spring listed for this facility looks incorrect, please contact us.
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PROsawa Onsen Sansuikaku
From¥12,100/ person / night (tax incl.)
4.5(1009)
Approx. lowest rate (varies by date & guests)
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USAGE
HeatedNo
DilutedNo
RecycledYes
FilteredNo
DisinfectedYes
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
Tattoo
No tattoos
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.
Transit
Approx. 40 minutes by car from JR Shin-Hanamaki Station (JR新花巻駅), approx. 25 minutes by car from Hanamaki Station (花巻駅). Free shuttle bus available from both stations (inquire for details).
Parking
Available (100 spaces, free, no reservation required)
Day use fee
¥1,000Sansuikaku (山水閣) is available from 11:00 to 14:00. The Self-Catering Section (自炊部) is available from 7:30 to 21:00 (last reception at 20:30) for 600 yen.
Phone
Facilities
Public BathOpen-air BathShopVending MachinesKaraoke RoomBanquet HallMeeting RoomTea Lounge
Languages supported
EN中（简）中（繁）한
House rules
Loud voices, singing, boisterous behavior, any other acts causing disturbance to others, gambling, or acts contrary to public order and morals are prohibited within the facility. Bringing in animals, flammable/combustible materials, items emitting foul odors, or any other items prohibited by law is forbidden.
Sources
This information may change without notice. Please contact the facility directly for accurate details.
Last updated: 6/11/2026
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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