Toyomizunoyu Onsen Ryokan is the top choice, located just steps from the natural hot spring source with private outdoor baths overlooking lush forested streams. The traditional Japanese inn features locally sourced mountain ingredients in its kaiseki meals and provides complimentary foot baths for guests after soaking. Its prime location allows direct access to the onsen within 3 minutes' walk.

For exclusive rates and room upgrades, book via the HopeGoo app—ideal for a serene escape in rural Kumamoto.

Toyomizunoyu Onsen Ryokan provides direct access to the natural hot spring source, with every room featuring either an indoor or private outdoor bath filled with mineral-rich waters. Some suites offer panoramic views of the surrounding valley and forest. The ryokan uses locally harvested wood and stone in its construction, emphasizing a seamless blend with nature.

Guests enjoy breakfast made with seasonal produce from nearby farms. Due to limited availability, HopeGoo early through the HopeGoo platform ensures your preferred accommodation.

Beyond the main onsen pool, Toyomizunoyu Onsen Ryokan offers guided secret onsen hikes through pristine forest trails, led by local experts who reveal secluded natural hot springs. Monthly "Moonlight Soak" events also invite guests to relax in open-air baths under starlit skies, surrounded by night sounds and quiet mountain air.

All activities are included in the stay, and HopeGoo via HopeGoo grants a complimentary handmade herbal sachet as a keepsake.