AquaResortIrumanoYu

Unleash your body and mind with exceptional value, 3 types of sauna, and a spacious cold bath

Saitama Iruma City

"Aqua Resort Iruma no Yu" is a super sento in Iruma City, Saitama Prefecture, boasting one of the best value-for-money experiences in the region. It offers three distinct saunas, including a spacious stadium sauna, a steam sauna that uses mineral-rich bakuhanseki, and a salt sauna that is said to help beautify the skin. After the sauna, you can enjoy a sharp cooldown in the extra-spacious cold bath, large enough for up to 8 people at once. The open-air area features an artificial carbonated spring, a stone bath, and a reclining bath, allowing for a blissful outdoor air bath in a liberating atmosphere. With a wide variety of baths such as multiple jet baths, an electric bath, and a daily changing medicinal bath, it is a popular spot where you can relieve everyday fatigue at a reasonable price.

Sauna

Stadium Sauna

90°C

Sauna TypeDry Sauna

Stove TypeInfrared Heater

Capacity25people

Men'sWomen's

A spacious main sauna in a 4-tier layout, using a far-infrared gas stove. The stadium-style interior lets you choose your preferred temperature zone depending on where you sit. The penetrating heat efficiently promotes sweating and helps wash away bodily waste.

Steam Sauna

50°C

Sauna TypeSteam Sauna

Capacity8people

Men'sWomen's

A low-temperature sauna that makes generous use of bakuhanseki, a mineral-containing stone said to emit far-infrared rays. Located in the open-air area, its pleasant steam envelops your whole body. Even those who do not like high-temperature saunas can relax here slowly and comfortably.

Salt Sauna

70°C

Sauna TypeSalt Sauna

Capacity10people

Men'sWomen's

A sauna where you rub salt into your body to remove old dead skin cells and dirt while promoting metabolism. By sweating slowly at a low temperature, you can expect skin-beautifying and detox effects. A popular facility where you can truly feel how smooth your skin becomes after the sauna.

Cold Bath

Cold Bath

18°C

Water QualityTap Water

Capacity8people

Men'sWomen's

A cold bath boasting one of the largest sizes in the region. It is also quite deep, allowing you to cool your whole body thoroughly. It refreshingly tightens a body heated by the sauna and leads you into blissful totonou.

Business Hours

Monday
09:00〜23:00
Tuesday
09:00〜23:00
Wednesday
09:00〜23:00
Thursday
09:00〜23:00
Friday
09:00〜23:00
Saturday
09:00〜23:00
Sunday
09:00〜23:00
Holiday
09:00〜23:00

Closed Days: None

Address

〒358-0006 1-11-10 Kasugacho, Iruma City, Saitama Prefecture, Iruma no Yu

Onsen & Spa Facilities (Super Sento, Sauna, Spa)

Gender Access

Gender Separated

🚫
Tattoo Policy
No Tattoos
Premium Magazine

Japan's Must-Visit Finest Onsen & Sauna Facilities

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.

Learn more