Saga · Ureshino Onsen
Ureshino Gensen Hyakunen-no-yu
うれしの源泉 百年の湯
One minute from the Ureshino bus centre, the only day-spa in town with its own source (formerly Motoyu Onsen). Silky bicarbonate water — one of Japan's 'three great beauty baths' — in a large indoor bath, open-air pool and sauna. Many family baths (from ¥1,800/50 min + entry). Open 9 am–10 pm.
- Price (adult)
- ¥690
- Hours
- 09:00–22:00
- Closed
- 4th Wed
- Access
- 1 min walk from Ureshino Onsen bus centre
- Water type
- Bicarbonate spring
- Tattoos
- Ask ahead
- Phone
- 0954-20-2525
- Official site
- http://www.100nen-spa.co.jp ↗
- Open in Google Maps
- Google Maps ↗
Essentials
Stay in this onsen town
Compare and book stays in Ureshino Onsen. Day bathing itself needs no booking.
Opens partner booking site (affiliate)
Why go
- Ureshino's only self-sourced day spa
- Silky beauty water from 9 am
- Plenty of private family baths
Before you go
- No official tattoo policy is published — ask at reception.
- Payment is usually by ticket machine in cash — bring coins.
- Last entry is 30–60 minutes before closing.
Features
Rules & private
Sauna & wellness
Price
Amenities
✔ Verified operating: 2026-09 公式 (平日690円/土日祝840円 入湯税込)
Prices and hours change. Check official sources before visiting.
More in this area
Takeo Onsen Motoyu
Beyond the vermilion gate (a National Important Cultural Property) stands one of Japan's oldest surviving wooden bathhouses, built in 1876. Open from 6:30 am until late, ¥500.
Ureshino Siebold-no-yu public bath
A Gothic-style public bath recreating the Taishō-era 'Koyu Onsen'. Ureshino's silky bicarbonate water — one of Japan's 'three great skin-beautifying springs' — for ¥450, 6 am to 10 pm. Tatami rest room upstairs and private baths (¥2,500/50 min).
Furuyu Onsen ONCRI
A cure-style resort in the Furuyu hot-spring hamlet up the Kase River, 30 minutes by car from Saga city. The signature is 'lukewarm' water at around 38 °C — the longer you soak, the more you unwind — long prized as a beautifying bath. The SHIORI bath complex has 15 kinds of baths including an open-air tub facing Mt Tenzan, lying and standing baths, a box steam bath, cypress tub and natural hot-sand bath, all from a private source yielding 43 tonnes a day. Day use 10:00–20:00, ¥1,300 with free face towel; Wednesdays from 15:00 only for maintenance. About 60 minutes by bus from Saga Station to Furuyu Onsen.