Hida River Swells Dangerously in Gero Amid Heavy Rains, Evacuations Ordered

Dramatic visuals from Gero City in Gifu Prefecture show the Hida River swollen with turbulent, muddy-brown water amid heavy rainfall on September 9, 2026. The fast-flowing river surged beneath bridges and alongside buildings near the Gero Onsen area, highlighting the severity of the flooding threat. Authorities issued a Level 4 flood danger warning for the Hida River as water levels rose to dangerous levels amid an autumn rain front affecting the Tokai region. Evacuation orders were issued for more than 5,000 households in Gero City due to the risk of river overflow. Video Credit: @9hZvh