Tenzan Onsen

Tenzan Onsen is a traditional, mountain-side hot spring complex in Hakone, renowned for its beautifully designed outdoor baths nestled among trees and natural rock formations. Unlike many modern resorts, it retains an authentic, rustic atmosphere with multiple pools of varying temperatures, a steam room, and a cold plunge waterfall. It is highly regarded for its skin-smoothing, mineral-rich alkaline waters and its rare, tattoo-friendly policy for individual travelers.

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