Onsen OniOnsen Oni

Nishiyama Onsen Yushima no Yu

西山温泉 湯島の湯にしやまおんせん ゆしまのゆ

Other
Nishiyama Onsen
Chubu·Yamanashi
0556-48-2468shokokai-yamanashi.or.jp

Day Use

Yes

Bathing & Water

OnsenYes

Uses natural hot spring water

西山温泉 湯島の湯

Nishiyama Onsen Yushima no Yu

Operated by · 早川町

Sampled at wellhead
硫
Sulfate
+ Chloride
Classification

Sodium Sulfate-Chloride spring

A sodium-led sulfate-chloride spring emerging hot at 42.3 °C. At pH 9.7 it is alkaline, giving the slippery, skin-smoothing feel of the Japanese beauty-water family, with sulfate adding quiet body and a salty chloride edge. Moderately mineralized, it bathes with noticeable substance on the skin.

pH
9.70
Alkaline
Source temperature
42.3°C
Hot
Tonicity
1.17g/kg
Hypotonic
Color
colorless and transparent
Odor
odorless
Highlights
  • Top-decile alkaline

Analyzed Feb 24, 2009·社団法人 山梨県食品衛生協会·Cert no. 検食第20-13号

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SM
Sergey M
1 year ago

517. Nishiyama Onsen Yushima no Yu, Hayakawa, Yamanashi ★ Onsen for 700. Operating hours are listed as 12:00 to 18:00. They stamp the Yamanashi 100 Onsen book. They stamp the Hayakawa towel. Bath photos are from the internet, match the real thing. Two baths in the outdoor area. View through bushes, but still pleasant. 1. Bath that looks like it's set in a small stone formation, clear water, temperature around 39. 2. Wooden bath. Clear water with occasional fine white mineral deposits. Temperature around 40. Pleasant place with outdoor baths, worth keeping in mind when visiting Hayakawa. 10.05.2025