Shikishima Shimmei Onsen Shima No Yu

敷島神明温泉志麻の湯しきしましんめいおんせんしまのゆ

Other

Chubu·Yamanashi

055-277-1311 city.kai.yamanashi.jp

Day Use

Yes

Bathing & Water

OnsenYes

Uses natural hot spring water

神明温泉志麻の湯

Shimmei Onsen Shima-no-yu

Sampled at wellhead

塩

Chloride

Classification

Sodium Chloride spring

A sodium-led chloride spring — weakly alkaline (pH 8.18), with the salty, heat-retaining body characteristic of Na-Cl water. Total dissolved solids around 1,098 mg/kg place it in the moderately mineralized range, with chloride dominating the anion balance at nearly 90% by mval.

pH

8.10

Weakly alkaline

Source temperature

36.3°C

Warm

Tonicity

1.10g/kg

Hypotonic

Flow rate

184.7L/min

Typical

Color: colorless, slightly turbid
Odor: weak mineral note

Analyzed Sep 21, 2022·株式会社山梨県環境科学検査センター·Cert no. 山環温2022-3号

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1 year ago

537. 敷島神明温泉志麻の湯, Kai, Yamanashi Onsen for 800 (400 for locals). I happened to visit on a public bath day, so they let me in for free, but there were tons of old men. Operating hours are listed as 10:00 to 20:00 (Tue, Thu-Sun) and 06:00 to 20:00 (Wed), closed Monday. In the Yamanashi 100 Onsen stamp book they stamp a different stamp. Bath photos are from the internet, partially match — almost no proper photos online and the round bath had no water. Indoor area. Breathing inside is comfortable. 1. Bath with clear water, temperature around 40-41. 2. Bath with clear water, temperature around 38. 3. Round bath with no water. 4. Sauna. 5. Cold bath. 11.05.2025