AoiOnsenKusanaginoYu

Wrapped in the warmth of a private source spring, you can totonou with the tower sauna and cold plunge bath

Shizuoka Shizuoka City

"Aoi Onsen Kusanagi no Yu" is a day-use hot spring facility in Shimizu Ward, Shizuoka City. Its private source spring, piped in from the area around Higashi-Shizuoka Station, is a calcium-sodium chloride spring rich in salt. Guests can enjoy this renowned hot spring in a variety of settings, including an open-air bath with a large rock bath and "Bihou no Yu," where water bubbles up from Shigaraki ware jars. The sauna area features a large tower sauna, offering an invigorating sweating experience with powerful heat. Alternating between the sauna and the cold plunge bath, which is refreshingly cold, has captivated many sauna fans.

Hot Spring & Bath Information

Aoi Onsen

TypeNatural Hot Spring

A natural hot spring of calcium-sodium chloride water. The water drawn from the private source is known for its strong warming and moisturizing effects, and it does not let you cool down easily after bathing. In the open-air rock bath, you can fully enjoy this renowned hot spring in an open, airy setting.

Sauna

Tower Sauna

90°C

Sauna TypeDry Sauna

Stove TypeConvection Stove (Sauna Stone)

Capacity25people

Men'sWomen's

A large high-temperature sauna with spacious seating arranged over 5 levels. The different tiers let you choose your preferred heat level, so you can enjoy a gradual and steady sweat at your own pace. Powerful heat circulates through the room, heightening the refreshing feeling after your sauna session. Clean and comfortable, it is a space where you can relax while watching TV.

Cold Bath

Cold Bath

15°C

Water QualityTap Water

Capacity5people

Men'sWomen's

A crisp, cold cold plunge bath located right in front of the sauna. With a stable water temperature, it quickly cools down a heated body. It is spacious and deep enough to fully cool the whole body, guiding you toward a deep state of 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

1865-2 Kusanagi, Shimizu Ward, Shizuoka City, Shizuoka 424-0886

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