Iwanai Onsen Okaerinasai
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Iwanai Onsen Okaerinasai

いわない温泉 おかえりなさい
Info pending

Hokkaido 岩内町

北海道 岩内町

Onsen RyokanFree-Flowing Onsen

AT A GLANCE

Iwanai Onsen Okaerinasai is a bicarbonate spring and chloride spring (pH 7.3, neutral). 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 skin beauty and dry skin.

SOURCES
♨Iwanai Onsen No. 5 Well
いわない温泉 5号井
Sodium Bicarbonate and Chloride Hot Spring
炭
Carbonated Spring
塩
Chloride SpringpH 7.349.6℃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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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
Official siteOpen
Hours
Weekdays: 10:00〜21:00
Weekends & holidays: 10:00〜15:00
Day-use bathing hours. Guests staying overnight can use facilities from 6:00 AM to 11:30 PM.
Closed days: Second Tuesday of every month (may be fourth Tuesday depending on the month).
Transit
Approx. 1 hour 30 minutes by car from Otaru Station (小樽駅), approx. 1 hour by car from Niseko (ニセコ). Approx. 2 hours 30 minutes by Chuo Bus Kōsoku Iwanai-gō (中央バス高速岩内号) from JR Sapporo Station (JR札幌駅). Shuttle service available from Iwanai Bus Terminal (岩内バスターミナル) (reservations required for arrivals around 3 PM only).
Parking
Available, 20 spaces, Free, No reservation required.
Day use fee
¥1,000Fee for adults (12 years and older). Children (6 to under 12 years old) are 500 yen. Revised from June 1, 2024.
Phone
0135-61-4111
Facilities
Main BathOpen-air BathSaunaCold BathShopVending MachinesRest AreaWi-Fi
Sources
楽天観光協会onsen.nifty.comiwanai-onsen.jp公式観光協会hokkaidolikers.comじゃらんryokan.or.jp
This information may change without notice. Please contact the facility directly for accurate details.

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Bicarbonate Spring — benefits, bathing tips, and onsen-hopping order
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Conditions this spring type may help with
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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