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© Yusuke Kawasaki/Flickr

The Best Natural Onsen In Tokyo

Picture of Alicia Joy
Tokyo Writer
Updated: 9 February 2017
Japan is one of the most volcanically active places on Earth. As a result, the country is rich in natural hot springs and mineral resources, which have played an important role in the traditions and culture of its people. Thanks to some modern advances in technology, Tokyoites no longer have to travel far to find an onsen to suit their needs. These are the city’s best.

Toshimaen Niwa no Yu

Daily 10 AM – 11 PM

Niwa no Yu includes separate male and female onsen and outdoor jacuzzis surrounded by Japanese gardens. The water is rich in sodium chloride, a salt rumored to ease muscle pain and joint stiffness. For the ultimate experience, there’s even a restaurant on the premises. It’s a very adult-friendly environment, and children under the age of 13 are denied entry.

Adults ¥2,310 (¥1,295 after 6 PM)

3-25-1 Koyama, Nerima-ku, Tokyo, Japan, +81 3-3990-4126

Somei Onsen Sakura

Daily 10 AM – 11 PM

Somei Onsen Sakura takes its name from the cherry trees sprucing up the property. This makes it a popular choice in spring when the trees are in full bloom. They offer a wide variety of services, from dining and yoga classes to massage and lounge spaces.

Adults ¥1,296 / Children ¥756

5-4-24 Komagome, Toshima-ku, Tokyo, Japan, +81 3-5907-5566

#都内の日帰り温泉♨️ #染井温泉 #sakura🍁

A photo posted by Yuka Mitsu (@yukayuka31) on

Myojin no Yu

Myojin no Yu is an attractive, traditionally styled bathhouse. The waters are rich in iron and other salts, said to be the solution for a wide range of body aches, pains, and complaints. Only the main indoor cypress-wood tubs are filled with water from their spring; the outdoor bath is on the city’s water main.

Adults ¥900 (Mon-Fri) / ¥1,200 (Sat, Sun, and holidays) / Children ¥500/¥600

1-18-1 Oyata, Adachi-ku, Tokyo, Japan, +81 3-5613-2683

Oedo Onsen Monogatari

Daily 11 AM – 9 AM

Oedo Onsen Monogatari is an onsen-themed theme park in Odaiba. It’s home to six different types of baths, a tub for dogs, and wading pools ideal for cooling off in the summer heat. The onsen here are fueled with thermal spring water deep beneath the Earth and are rich in sodium ions. After 2 AM, a late-night fee of ¥2,000 is added.

2-6-6 Aomi, Koto-ku, Tokyo, Japan, +81 3-5500-1126

Adults ¥2,480 (Mon-Fri), ¥2,680 (Sat, Sun, and holidays) / Children ¥1,000

Take no Yu

3:30 PM  11:30 PM (closed Mondays and Fridays)

Take no Yu has been operating for nearly one hundred years. The waters here are dark, blackish, and mineral-rich, nicknamed ‘Black Beautifying Water.’ There are also gender-segregated saunas and even laundry facilities. Take no Yu has a simple, no-nonsense sento-like setup for the serious bather.

1-15-12 Minami-Azabu, Minato-ku, Tokyo, Japan

Adults ¥460 / Children ¥180 / Infants ¥80

Heiwajima Natural Hot Spring

The water of Heiwajima’s hot springs come from deep underground. It’s open 24 hours and offers a shuttle service to and from Haneda Airport each morning, so it’s the ideal way to spend a long layover. They keep a list of departure times and even offer reservations on their website in English, Chinese, and Korean to cater to the wide variety of guests. A huge variety of spa and massage services are available.

Adults ¥1,800 (Mon-Fri) / ¥2,100 (Sat, Sun, and holidays) / Children ¥900

2F Big Fun Heiwajima, 1-1-1 Heiwajima, Ota-ku, Tokyo, Japan, +81 3-3768-9121 (English OK)


Tuesday  Saturday: noon  midnight / Sunday: 8 AM  midnight (closed Mondays)

Shimizuyu is proud of their high-quality onsen waters, offered to the public at sento bath prices. The ‘black waters’ are said to cure all manner of ailments, while the outdoor golden hot spring is recommended for chronic skin diseases and auto-immune ailments. These onsen are beautifully appointed with stone detailing.

3-9-1 Koyama, Shinagawa-ku, Tokyo, Japan

Adults ¥460 / Children ¥180

Rakutenchi Spa

24 hrs daily (closes 11 PM Sunday, reopens 10 AM Monday)

Rakutenchi Spa is a men’s only onsen and spa facility, located on the 9th floor of the Rakutenchi Complex. It’s open 24 hours and includes lounge rooms with reclining chairs; a great option if you’ve missed the last train home. The spa also houses a sauna and late-night restaurant.

¥2,400 / midnight  5 AM entry + ¥1,100

9F Rakutenchi Bldg, 4-27-14 Kotobashi, Sumida-ku, Tokyo, Japan

Kodai no Yu

10 AM – 8 AM (last entry 2 AM)

Kodai no Yu is an enormous, multi-level complex that includes both indoor and outdoor baths, a steam sauna, massage rooms, and a restaurant on the fourth floor. All the baths are sourced with real hot spring water. And it stays open almost all night long.

Adults ¥2,634 / Children ¥1,296 (late-night surcharge after 1 AM: ¥1,620)

4-2-1 Okudo, Katsushika-ku, Tokyo, Japan, +81 3-5654-2611