OfuronoOsamaWakoBranch

Saitama Wako City

Ofuro no Osama Wako Branch is a day-use bathing facility located in Wako City, Saitama Prefecture. The facility features a private source hot spring, a chloride and bicarbonate spring that emerges from 1,500 meters underground, enveloping the body in a slightly yellow-brown, smooth water that leaves the skin silky smooth after bathing. The men's bath includes a löyly sauna and a high-temperature steam sauna, while the women's bath offers an aroma sauna and a high-temperature steam sauna, allowing guests to experience intense heat, followed by a refreshing cold plunge bath using hot spring water. The facility also offers a variety of baths, including a high-concentration carbonated spring, pot baths, and reclining baths. The Nordic-style relaxation lounge 'KamakuLounge', a café, and relaxation services are also available. A free shuttle bus runs from Wako City Station, making it a comfortable place to spend time from morning till night.

Hot Spring & Bath Information

Osama Hot Spring

TypeNatural Hot Spring

A private source hot spring emerging from 1,500 meters underground. Known for its slightly yellow-brown, smooth water, the synergistic effect of chloride and bicarbonate leaves the skin silky smooth after bathing. The spring is used without dilution, delivering the original hot spring components effectively to the body. The salt film envelops the body, providing high heat retention and preventing chills after bathing. Enjoy the hot spring in various baths such as hot spring, pot bath, and reclining bath, each offering the blessings of the hot spring in different bathing styles. It is expected to be effective for neuralgia, muscle pain, joint pain, and sensitivity to cold.

Sauna

Löyly Sauna

90°C

Sauna TypeDry Sauna

Stove TypeConvection Stove (Sauna Stone)

Capacity24people

Men's

A löyly sauna where water is poured over heated sauna stones to generate steam. The steam rising from the stones fills the room, rapidly promoting perspiration. The heat quality is between dry and wet, drawing out sweat deeply and gradually. With a spacious area to sit comfortably, you can fully experience the heat while absorbing the löyly steam with your entire body.

High-Temperature Steam Sauna

60°C

Sauna TypeSteam Sauna

Stove TypeBuilt-in Stove

Capacity8people

Men's

A steam sauna filled with high-temperature steam. Unlike a dry sauna, the high humidity heat permeates from your breath to your entire body. Gentle on the skin, it allows for thorough perspiration while avoiding dryness. By alternating between the löyly sauna and this steam sauna, you can enjoy the different qualities of heat and choose according to your preference or condition.

Cold Bath

Hot Spring Cold Plunge Bath

16°C

Water QualityHot Spring Water

Capacity6people

Men's

A cold plunge bath using water from the private source hot spring. The water, containing hot spring minerals, is gentle on the skin and pleasantly cools the heated body. With a smooth texture different from tap water, it allows for a leisurely soak. It tightens the pores opened by the sauna, allowing the hot spring minerals to penetrate the skin. After deeply heating up in the löyly or steam sauna, cooling down in this hot spring cold plunge bath brings a sense of relaxation from the core of your body.

Business Hours

Monday
09:00〜00:00
Tuesday
09:00〜00:00
Wednesday
09:00〜00:00
Thursday
09:00〜00:00
Friday
09:00〜00:00
Saturday
09:00〜00:00
Sunday
09:00〜00:00
Holiday
09:00〜00:00
💡 The sauna is closed from 1:00 AM to 5:00 AM.

Closed Days: None

Address

1-5-55 Hirosawa, Wako City, Saitama Prefecture

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

Gender Access

Gender Separated

🚫
Tattoo Policy
No Tattoos
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