Kuroyu Onsen

黒湯温泉

4.5Est. 120Semboku, Tohoku

Overview

Rustic thatched-roof inn deep in Nyuto's beech forests, where jet-black waters emerge at a secluded hot spring.

Secluded inn in the Nyuto Onsen area of Semboku, known for dark-colored sulfur waters. The rustic lodge offers tatami rooms and atmospheric open-air baths surrounded by beech forest.

Local tips

Wash thoroughly at the shower stations before entering the bath. This is non-negotiable etiquette. Bring a small towel but keep it out of the water.

Practical info

Japanese name: 黒湯温泉
Nearest station: Tazawako Station (50 min bus)
Payment: Cash only
Reservations: Day-use bathing is usually walk-in. Private baths and overnight stays should be booked ahead. Peak times are late afternoon and weekends.

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