DormyInnTokyoHatchobori

Tokyo Chuo City

Dormy Inn Tokyo Hatchobori, known as Kamejimagawa Onsen Shinkawa no Yu, is a hotel in Chuo Ward, Tokyo, featuring a natural hot spring. The top floor houses a large bath with the charm of a traditional healing place, complete with a high-temperature dry sauna and a cold plunge bath with a chiller. Recently renovated in August 2025, guests can enjoy the black hot spring water of Kamejimagawa Onsen in both indoor and open-air baths. The facility also offers a well-equipped outdoor air bath space, providing an authentic totonou experience in the heart of the city. Unique Dormy Inn services such as Yonaki Soba and breakfast with red vinegar sushi add to its appeal. Conveniently located about a 2-minute walk from JR Keiyo Line Hatchobori Station.

Hot Spring & Bath Information

Kamejimagawa Onsen Shinkawa no Yu

TypeNatural Hot Spring

A natural hot spring with black water that springs from the premises. Known for its chloride spring's high heat retention, it prevents chills after bathing. Enjoyable in both indoor and open-air baths, it features a traditional healing place ambiance with a rustic charm. The dark brown water has a smooth texture that clings to the skin, offering potential benefits for fatigue recovery, muscle pain, and neuralgia. It's a serene space that feels far removed from the city, allowing for a leisurely hot spring experience. The open-air bath offers a sense of freedom, providing a luxurious time to soak in the black water while gazing at the Tokyo sky.

Sauna

Auto Löyly Sauna

90°C

Sauna TypeDry Sauna

Stove TypeConvection Stove (Sauna Stone)

Capacity10people

Men'sWomen's

The dry heat envelops the body, allowing for a deep, thorough warmth. Equipped with a TV, you can sweat comfortably at your own pace. The lighting is calm, allowing for a relaxed and extended stay.

Cold Bath

Cold Bath

15°C

Water QualityHot Spring Water

Capacity2people

Men'sWomen's

A cold plunge bath maintained at a chilly temperature with a chiller. It provides a sharp coldness, perfect for quickly cooling down a body heated in the high-temperature sauna.

Business Hours

24 Hours

💡 Sauna is closed from 1:00 AM to 5:00 AM

Closed Days: Unknown

Address

2-20-4 Shinkawa, Chuo-ku, Tokyo

Hotel & Ryokan🏨 Guests Only

Gender Access

Gender Separated

🚫
Tattoo Policy
No Tattoos
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