Rivage Spa Hikigawa

リヴァージュ・スパひきがわリヴァージュ・スパひきがわ

Other
Kansai·Wakayama

Day Use

Yes

Bathing & Water

OnsenYes

Uses natural hot spring water

日置川塩泉 渚の湯

Hikigawa Enzen Nagisa-no-yu

Operated by · 白浜町

Sampled at wellhead
Simple
Classification

Sodium Carbonate-HSiO3 spring

A simple alkaline thermal spring whose water reaches pH 10.1 at the wellhead — strongly alkaline, with the slippery, soft feel of Japan's beauty-water family. Lightly mineralized at 248 mg/kg total dissolved solids, it is colorless and transparent, odorless, and carries only a very faint sweetness.

pH
10.10
Alkaline
Source temperature
43.6°C
Low temp.
Tonicity
0.25g/kg
Hypotonic
Flow rate
530L/min
High
Free H₂S
1.30mg/kg
Typical
Color
colorless and transparent
Taste
very faintly sweet
Odor
odorless
Highlights
  • Strongly alkaline

Analyzed Jul 8, 2019·和歌山県環境衛生研究センター·Cert no. 温泉第1090号

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SM
Sergey M
4 months ago

662. Rivage Spa Hikigawa, Hiki, Shirahama, Wakayama Onsen for 780 with alkaline water (pH 10.1). Operating hours are 14:00-20:00 (Mon, Tue, Thu, Fri) and 11:00-20:00 (Sat, Sun). They stamp the Wakayama 88 Onsen book. Photos of baths from the internet partially match - in person the condition is a bit worse. Planned to close on March 22, 2026. 1. Outdoor bath. A conditional view through a frosted glass fence. Clear water, temperature around 41. Has a slippery/soapy feel. 2. Indoor area. Breathing inside is fine. 2.1. Main bath by the window with clear water, temperature around 42.5. 2.2. Corner bath with clear water, temperature around 34-36. 2.3. Small bubble bath, clear water, temperature around 42. 2.4. Sauna. 2.5. Cold bath. 2.6. Small herbal bath (black bark). Clear water, temperature around 34-35. 2.7. Small herbal bath (green petals). Clear water, temperature around 39.5. 2.8. Foot bath with cold water. 07.11.2025