Natural hot spring water sourced from 1,500 meters deep — a thermal experience at the heart of Shinjuku's vibrant Kabukichō.
Thermae-yu, a natural hot spring facility in Shinjuku's Kabukichō district, sources its mineral-rich water from 1,500 meters beneath the surface. The complex houses six indoor baths and one outdoor bath, providing access to the healing properties of the thermal waters, all operational 24/7 amid one of Tokyo's most vibrant entertainment hubs.
- $$$
- Restaurant
- Rooftop sports bar
- Fitness space
- Reclining lounge
- Women’s area
- Free Wi-Fi
Pools & saunas
Waters & pools
- Cold plunge
- Bedrock bath
- Hot spring
- Carbonated
- 7 pools
- 42°C
- Open-air
Saunas & steam
- Infrared
Worth knowing
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Natural hot spring water drawn from 1,500 meters below ground, delivering consistent temperatures around 42°C.
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Seven baths total — six indoor options and one outdoor bath offering a blend of relaxation and ambiance.
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Open 24/7, accommodating visitors at all hours, ideal for a late-night soak or early morning retreat.
An insider's tip
The outdoor bath provides a unique experience during Tokyo's humid summers — steam rises in thick curls, creating an almost ethereal atmosphere. To enhance your visit, arrive early to avoid peak hours. Remember to stay hydrated; the temperature of the springs can reach 42°C (107.6°F).
Don't leave without
Soak in the outdoor bath under the stars, the mineral-rich water flowing from 1,500 meters underground. Explore the six distinct indoor baths, each with unique temperatures and mineral compositions, providing varied experiences at any hour — open 24/7.
Good to know
- Hours
- 24 hours
- Address
- 1-1-2 Kabukicho, Shinjuku City, Tokyo 160-0021
- Dress code
- Naked in baths; gendered bathing
- Timezone
- Asia/Tokyo
Climate — Warmest around Jul (~33.9°C high), coolest around Jan (~8.8°C).
On the map
35.6945°N · 139.7036°E
