Yamamiya Hot Spring

山宮温泉やまみやおんせん

Other
Chubu·Yamanashi

Day Use

Yes

Bathing & Water

OnsenYes

Uses natural hot spring water

山宮温泉

Yamamiya Hot Spring

Operated by · 有限会社コスモスコーポレーション

Sampled at wellhead
Chloride
Classification

Sodium Chloride spring

A sodium chloride spring — salty and notably heat-retaining. It is weakly alkaline and soft on the skin, and the sensory test records it as colorless, clear, tasteless and odorless. With 1,366 mg/kg of dissolved solids it is moderately mineralized, giving the water a noticeable body.

pH
7.70
Weakly alkaline
Source temperature
37.6°C
Warm
Tonicity
1.37g/kg
Hypotonic
Flow rate
200L/min
Typical
Free CO₂
87mg/kg
Low
Color
colorless and clear
Taste
tasteless
Odor
odorless

Analyzed Feb 18, 2019·株式会社メイキョー·Cert no. M18-4425

Loading map…

SM
Sergey M
1 year ago

543. Yamamiya Hot Spring, Kofu, Yamanashi Onsen for 700. Located far away. The entrance area is modern; the place is cool and popular — on Sunday evening there were lots of young people and old men alike. Operating hours are listed as 10:00 to 22:00 (closed Wed). They stamp the Yamanashi 100 Onsen book. Bath photos are from the internet, roughly match — I visited in the evening. Indoor area. Breathing inside is fine. 1. Bath with clear water, temperature around 42-43. 2. Bath with clear water, temperature around 38-39. 3. Sauna. 4. Cold bath. 11.05.2025