Guest Room Open-air Bath

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Yamanakako Hirano Onsen

Guest Room Open-air Bath
and Yamanakako Hirano Onsen

Each guest room is equipped with Japan’s highest-quality high-alkaline open-air hot spring baths. The alkalinity is pH 10.2, one of the foremost ones in Japan, yet it feels very nice, which makes the water quality so rare.

Source・Water quality・Effects

Source	Yamanakako Hirano Onsen
Quality	Alkaline simple hot spring (Hypotonic alkaline hot spring)
Effects	Neuralgia, muscle pain, joint pain, skin-improving effect, frozen shoulder, motor impairment, bruise, joint stiffness, sprain, chronic gastrointestinal disease, hemorrhoid, sensitivity to cold, recovery period after an illness, recovery from fatigue and health promotion.