Ranzan Onsen
- Location
- Ranzan, Saitama Prefecture, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Ranzan Onsen is located in Ranzan Town, Saitama Prefecture, in the Musashino uplands of central Saitama where the scenic Tsukigawa gorge — a beautiful small canyon carved by the Tsuki River through the Musashino plateau — attracts visitors for spring cherry blossoms, summer green foliage, and autumn maple colors in one of Saitama Prefecture's most beloved natural scenery destinations. The siliceous thermal waters here complement the gorge's natural beauty, providing mineral spring bathing alongside the scenic attraction that draws visitors from throughout the greater Kanto region to this pleasant central Saitama destination. Bathing at Ranzan Onsen after walking the Tsukigawa gorge's forested canyon paths provides a complete natural and thermal wellness experience in a Saitama destination that combines the scenic beauty of a small but genuine gorge landscape with the restorative warmth of siliceous mineral spring bathing.