A gentle-on-the-skin sento with 100% soft water
Tokyo Kunitachi City
"Hato no Yu" is a sento in Kunitachi, Tokyo, using 100% soft water. The men’s bath features a Comfort Sauna with a moderate level of humidity and a soft-feeling soft water cold bath using underground water. Right next to the sauna room is an outdoor bathing area, so you can relax and forget the bustle of the city. The bath area also offers a wide range of tubs, including a high-concentration carbonated spring, a silky bath, and three kinds of jet baths, and it can also be used as a running station. In a clean and refreshing space, you can enjoy a truly restorative time to your heart’s content.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity4people
A men’s-only Comfort Sauna. It uses a gas far-infrared heater with a special evaporation tray to add moderate humidity (25–35%), encouraging a comfortable sweat without making it hard to breathe. The sauna room has a friendly, homey atmosphere where you can relax and sweat while watching TV.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity5people
A soft water cold bath using underground water. Equipped with bubbles, the gentle soft water wraps your whole body in a soft touch. It is ideal for cooling down after the sauna, and the temperature is set at around 17 degrees, helping to quickly tighten up a body that has become overheated.
Closed Days: Monday
〒186-0002 Higashi 2-8-19, Kunitachi, Tokyo
Gender Access
Gender Separated
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
A gentle-on-the-skin sento with 100% soft water
Tokyo Kunitachi City
"Hato no Yu" is a sento in Kunitachi, Tokyo, using 100% soft water. The men’s bath features a Comfort Sauna with a moderate level of humidity and a soft-feeling soft water cold bath using underground water. Right next to the sauna room is an outdoor bathing area, so you can relax and forget the bustle of the city. The bath area also offers a wide range of tubs, including a high-concentration carbonated spring, a silky bath, and three kinds of jet baths, and it can also be used as a running station. In a clean and refreshing space, you can enjoy a truly restorative time to your heart’s content.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity4people
A men’s-only Comfort Sauna. It uses a gas far-infrared heater with a special evaporation tray to add moderate humidity (25–35%), encouraging a comfortable sweat without making it hard to breathe. The sauna room has a friendly, homey atmosphere where you can relax and sweat while watching TV.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity5people
A soft water cold bath using underground water. Equipped with bubbles, the gentle soft water wraps your whole body in a soft touch. It is ideal for cooling down after the sauna, and the temperature is set at around 17 degrees, helping to quickly tighten up a body that has become overheated.
Closed Days: Monday
〒186-0002 Higashi 2-8-19, Kunitachi, Tokyo
Gender Access
Gender Separated
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