Iwamuro Onsen

Niigata, Japan

Location: Niigata, Japan
Water type: sodium chloride
Temperature: 52 °C
pH: 7.9

Water profile

Thermicity

Sedative

52 °C

LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation

Restorative

LowHigh

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

Buoyancy

Effortless float

LowHigh

Dense, salty water — you float without effort.

SodiumChlorure

Iwamuro was a village located in Nishikanbara District, Niigata Prefecture, Japan. The area is famous for onsen near Yahiko mountain. Farming remains the predominant industry in the area. It is served by National Route 116 and Niigata Route 55.

Insider tip — After your bath at Iwamuro Onsen, explore the surroundings of Niigata to extend the relaxation.

Find hotels nearby →Tickets & activities →See the map & practical info →

Nearby

Taho Onsen; Dairo no Yu

Niigata, Niigata

Fukuju Onsen; Jonbi-kan

Niigata, Niigata

Yahiko Onsen Niigata

Yahiko, Niigata Prefecture

Yahiko Sakurai-go Onsen; Korei-sha Sogo Seikatsu Shien Center

Yahiko, Niigata

Niigata Nishikan Onsen

Nishikan, Niigata (Chubu)

Yahiko Onsen; Sakura no Yu

Yahiko, Niigata

Frequently asked questions

How hot is the water?

The water runs quite hot here, around 52 °C — a sedative water that brings immediate muscle release.

What type of water is found here?

This spot features sodium chloride water.

What is the best season to visit?