Directly beneath Yamabiko Bridge, the Kurobe River shimmers with a vibrant emerald-green hue. Nourished by pristine snowmelt from towering 3,000-meter Alpine peaks, its crystal-clear waters refract light against granite minerals, creating a breathtaking turquoise current. This frigid, swift-flowing river remains a pristine natural wonder, diligently sculpting Japan's deepest V-shaped gorge through the changing seasons.