Azabu Kokubisui Hot Spring Takenoyu

Dating back to 1913, this historic Tokyo sento is famous for its 'Kuroyu' (black hot spring water), a mineral-rich, coffee-colored natural spring that leaves your skin feeling incredibly smooth. Located in the Minato district, it offers a rare, authentic neighborhood bathhouse experience with both hot and cold black water baths. It is a perfect, budget-friendly escape to experience traditional Japanese bathing culture right in the heart of the city.

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