ThermaeExplore the map →

Tsuru Onsen Yamanashi

Tsuru, Yamanashi Prefecture, Japan
Tsuru Onsen Yamanashi
Location
Tsuru, Yamanashi Prefecture, Japan
Water type
bicarbonate
Temperature
40 °C
pH
8

Water profile

Thermicity
Sedative
40 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Tsuru Onsen lies in Tsuru City, Yamanashi Prefecture, in a mountainous basin at the eastern edge of the Japanese Alps where the Katsura River begins its descent toward the Sagami coast. The surrounding landscape — a compact valley floor ringed by wooded ridges, with Mount Fuji visible on clear days to the south — gives Tsuru a quietly dramatic natural setting. The city has historically been a market and transit hub rather than a pure resort, lending its onsen a grounded, community-facing character.

The bicarbonate water emerges at 40 °C with an alkaline pH of 8.0, delivering the characteristically smooth, skin-softening sensation associated with this mineral type across Japan. The warmth is enveloping without intensity, well-suited to a soak after walking the surrounding highland trails or cycling the Fuji Five Lakes circuit to the south. Tsuru Onsen appeals to those who prefer their bathing experience integrated into real local life rather than curated for resort guests — a distinction the residents here wear with quiet pride.

Insider tip — Tsuru lies in a basin encircled by mountains at the headwaters of the Katsura River in eastern Yamanashi, with Mount Fuji and the Otsuki highlands forming a dramatic backdrop. The city was historically a silk-weaving centre, and the onsen culture here reflects the quiet industrial heritage of a working town rather than a luxury resort. Bicarbonate waters from the local springs are prized locally for softening the skin. The nearby Fuji Five Lakes are within easy reach, making Tsuru a practical overnight base for active travellers.
Find hotels nearby →Tickets & activities →See the map & practical info →

Nearby

Frequently asked questions

How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).