Kyoto Arashiyama Onsen Kadensho (official site)
Kyoto · Traditional onsen ryokan
The operator says the indoor stone bath in the main bath uses natural Arashiyama Onsen. It states that the open-air bath is not hot spring water; the five private baths use heated water and are unreserved, so access depends on availability.
Official hotel sources checked 2026-10-01: Official bath details · Official property details
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