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Ashitsuke Hot Spring
4.0★ · 75 Google ratings · Niijima, Tokyo · 足附温泉
✓ Day visitors✓ Outdoor bath✓ Kakenagashi
Before you go
Can you bathe here?
Day visitors
✓ YesReported by two visitors
Hours
00:00–24:00From the facility's listing
Tattoos
? Call aheadNo policy stated in the 39 recent reviews we read or on the facility's website
Price
Free adultReported by two visitors
Bathing
Mixed bathingReported by two visitors
How we know this
- Day visitors: The spring is free and open 24 hours with no admission counter, though usability depends on the tide. · 2 visitors, Jul 2023 – May 2025
- Price: Entry is free of charge as reported in 2023 and 2025 reviews. · 2 visitors, Jul 2023 – May 2025
- Bathing arrangement: Bathers of all genders wear swimsuits together in the shared open-air pools, per 2023 and 2025 reviews. · 2 visitors, Jul 2023 – May 2025
The bath
What you’ll find
Ashitsuke is a free, 24-hour open-air natural hot spring on Shikinejima made of rocky seaside pools where temperature depends heavily on the tide, so it can be cold, murky, or submerged.
Bath setup
Outdoor bath
✓ YesConfirmed by recent visitor reports
View
OceanConfirmed by recent visitor reports
Spring water
Spring type
sodium chlorideReported by one visitor
Source temperature
55°CReported by one visitor
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
Water added
✓ YesConfirmed by recent visitor reports
How we know this
- Outdoor bath: The bath consists entirely of open-air natural rock pools directly on the coastline. · 3 visitors, May 2022 – Sep 2024
- View: The pools sit directly on the ocean shoreline with unobstructed sea views, described across 2022–2024 reviews. · 3 visitors, May 2022 – Sep 2024
- Spring type: A 2023 review describes the spring as a sodium-chloride strong salt spring. · 1 visitor, Jul 2023
- Source temperature: The source spring itself is reported to be about 55°C before mixing with seawater, per a 2023 review. · 1 visitor, Jul 2023
- Free-flowing (kakenagashi): The hot water self-flows naturally from beneath the seabed, described as a natural source rather than recirculated. · 2 visitors, Jul 2023 – May 2025
- Water added: Seawater mixes into the pools and effectively regulates the bathing temperature depending on the tide, per reviews from 2019 to 2022. · 3 visitors, Apr 2019 – Oct 2022
Guide
Good to know
Outdoor bath
The bath consists entirely of open-air natural rock pools directly on the coastline.
Confirmed by recent visitor reportsWater added
Seawater mixes into the pools and effectively regulates the bathing temperature depending on the tide, per reviews from 2019 to 2022.
Confirmed by recent visitor reportsTiming
When to go
Quietest Sunday around 13:00. Busiest Thursday around 11:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| WE | |||||||||||||
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| SA | |||||||||||||
| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 00:00–24:00 |
| Tuesday | 00:00–24:00 |
| Wednesday | 00:00–24:00 |
| Thursday | 00:00–24:00 |
| Friday | 00:00–24:00 |
| Saturday | 00:00–24:00 |
| Sunday | 00:00–24:00 |
Getting there
How to get there
Nearest station
Minami-machida Grandberry Park134.5 km in a straight line; bus or taxi from the station
Address
〒100-0511 Tokyo, Niijima, Shikinejima, １００６From the facility's listing
Show a driver
足附温泉The name in Japanese, for a taxi or at the counter
Phone
+814992-7-0170Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
shikinejima.tokyoOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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What matters
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Questions
Common questions
Can I visit Ashitsuke Hot Spring without staying overnight?
The spring is free and open 24 hours with no admission counter, though usability depends on the tide.
How much does Ashitsuke Hot Spring cost?
Entry is free of charge as reported in 2023 and 2025 reviews.
Is the water free-flowing spring water?
The hot water self-flows naturally from beneath the seabed, described as a natural source rather than recirculated.
