Sainokawara Park Yukawa Hot Spring Stream & Footbath, Kusatsu, Gunma

Live Nature Stream | Sainokawara Park Yukawa Hot Spring Stream & Footbath, Kusatsu, Gunma, Japan. Set amidst the volcanic wilderness of Sainokawara Park on the western edge of Kusatsu Onsen, this dramatic gorge features steaming turquoise thermal streams and rushing emerald torrents of the Yukawa River. Visitors wander along stone pathways flanked by ancient volcanic boulders and bubbling thermal vents, stepping into natural open-air footbaths fed by boiling mineral streams. The scenic footpaths through Sainokawara Park are dotted with rustic teahouses and stalls. Enjoy skewers of charcoal-grilled sweetfish (Ayu) seasoned with coarse salt, savory dumplings, and hot amazake sweet rice wine while letting the therapeutic thermal currents soothe your feet amidst scenic alpine pine groves. ✦ Must-Visit Highlights: ▸ Natural Thermal Stream Footbaths: Dip your feet directly into the flowing mineral-rich Yukawa River amid bubbling volcanic vents. ▸ Dramatic Volcanic Gorge Scenery: Stroll through surreal rocky landscapes filled with rising sulfur steam and rugged lava stones. ▸ Charcoal-Grilled Salted Sweetfish: Savor freshly grilled mountain ayu fish and sweet amazake at traditional park teahouses.