Kamuiwakka Falls
Hot Spring Overview
Kamuiwakka Falls (“Kamuiwakka Yunotaki”) is a unique hot-spring waterfall on the Shiretoko Peninsula in Shari Town, Shari District, Hokkaidō—a UNESCO World Natural Heritage site. Its name comes from the Ainu words for “god’s water.” Acidic spring water emerging from the slopes of nearby Mount Iō (Sulphur Mountain) flows into the river, creating a warm cascade you can actually climb.
As you wade upstream, the water gradually warms, offering a one-of-a-kind experience part way between bathing and “shower-climbing.” Surrounded by primeval forest, you’re immersed in raw nature—and since 2023 it’s been operated exclusively via guided tours, with park rangers on hand. Bathing is mixed-gender, and you must follow your guide’s instructions at all times.
About Secluded Rating
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Perched in a World Natural Heritage area and now accessible only with a guide, Kamuiwakka Falls combines the thrill of climbing a warm waterfall with the serenity of ancient forest—an adventure that elevates it to true “hidden-spring” status.
Hot Spring Details
| Quality | Sulfur Spring View this onsen's water quality rankingSulfur Spring |
| Temp | ---℃ ～ 28℃ |
| Supply | Natural Source Flow |
| Filter | Not Filtered |
| pH | pH 1.6  0714 AcidicNeutralAlkaline |
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| Stay | N/A | ||||||||||||||||||
| Day Trip | OK | ||||||||||||||||||
| Fee | Adult 2800JPY/Child ---JPY | ||||||||||||||||||
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| Mon | Tue | Wed | Thu | Fri | Sat | Sun | Hol | |
|---|---|---|---|---|---|---|---|---|
| 09:00 - 21:00 | ◯ | ◯ | ◯ | ◯ | ◯ | ◯ | ◯ | ◯ |
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Access Information
By public transit: From JR Shiretoko-Shari Station, transfer to a bus + shuttle bus; total travel time is about 1 hour 45 minutes.
By car: From the Shiretoko Nature Center, drive roughly 20 km along Route 93.
Note: Since 2023 entry is by reservation only on guided tours.
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