Indoor and outdoor natural hot spring baths in Nerima — amber mineral water flows through a peaceful Japanese garden designed by Kenzo Ogata.
Toshimaen Niwa-no-Yu is a carefully cultivated hot-spring spa in Nerima, Tokyo, that features both indoor and outdoor natural baths filled with amber-brown sodium-chloride onsen water. Designed by Kenzo Ogata, the garden promotes tranquility and highlights the natural soundscape, enhanced by an absence of background music. Various amenities—including saunas—invite visitors to indulge in a serene environment away from the hustle of crowds.
- $$$
- Restaurant
- Bar
- Lounge
- Hot-stone beds
- Japanese garden
Pools & saunas
Waters & pools
- Bade pool
- Micro bubble bath
- Jet bath
- Tub bath
- Indoor hot spring
- Outdoor hot spring
- Carbonated water bath
- 6 pools
- 35–42°C
- Open-air
Saunas & steam
- Indoor sauna
- Outdoor sauna
Worth knowing
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Indoor and outdoor natural hot spring baths
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Amenities include various saunas and a serene Japanese garden
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Designed by Kenzo Ogata to enhance tranquility
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Atmosphere free from background music, highlighting natural sounds
An insider's tip
The indoor and outdoor baths are less crowded during weekday mornings. Consider visiting early to fully appreciate the tranquil Japanese garden designed by Kenzo Ogata and to experience the soothing sounds of nature unimpeded by background noise.
Don't leave without
Relax in the indoor and outdoor natural hot spring baths, where the mineral-rich waters maintain a temperature between 40°C and 42°C, sourced directly from the earth below. Stroll through the serene Japanese garden created by Kenzo Ogata, where the arrangements of stone and plant invite contemplative moments. Visit the sauna to enhance circulation — the dry heat promotes detoxification without the intrusion of background music, allowing the softly murmuring sounds of nature to envelop you.
Good to know
- Hours
- Mon-Sun 10:00-23:00 (Last entry 22:00)
- Address
- 3-25-1 Mukoyama, Nerima-ku, Tokyo
- Phone
- 0359844126
- Dress code
- Naked in baths; gendered bathing; mixed garden zones in swimwear
- Architect
- Kenzo Ogata
- Timezone
- Asia/Tokyo
Climate — Warmest around Jul (~34.1°C high), coolest around Jan (~8.6°C).
On the map
35.7438°N · 139.6469°E
