Gekkoju Kurokawa — private onsen

Kurokawa 黒川温泉 — Kumamoto

Gekkoju Kurokawa

In-room bath + reservable private bath

Every room has its own indoor and open-air baths with free-flowing spring water, and the hilltop Tenku open-air bath can be reserved privately — free, 40 minutes at a time

In-room bath + reservable private bathfrom ~$894 / night

The details

Area
Kurokawa, Kumamoto
Private bath
In-room bath + reservable private bath — Every room has its own indoor and open-air baths with free-flowing spring water, and the hilltop Tenku open-air bath can be reserved privately — free, 40 minutes at a time
Spring water
Weakly alkaline simple spring
Water flow
Free-flowing kakenagashi — poured straight from the source, not recirculated
Private-bath hire
Free for staying guests
Price guide
From ~$894 per night (checked on Klook, Nov 2026)
Access
About 26 min by car from Akamizu Station, in the Aso mountains of Kumamoto
Day-trip bathing
Overnight stay only

You get both kinds of private here — a bath of your own, and reservable ones for the long soak. Most guests use both before checkout. You probably will too.

Gekkoju Kurokawa
Gekkoju Kurokawa
Gekkoju Kurokawa

Private-bath and water facts were checked against the property's official site and Japanese booking pages in November 2026. Room plans change — confirm the private bath is included in the plan you book.

Kurokawafrom ~$894 / nightCheck on Klook →

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