Yamba Dam: Where Engineering and Nature Converge Yamba Dam in Gunma Prefecture is a towering symbol of human ingenuity. Standing at 116 meters in height and spanning 290.8 meters across the Agatsuma River, this engineering marvel has a remarkable history. Conceived in 1952 to tame the Agatsuma River, it faced numerous challenges, including local opposition, … Continue reading [Gunma] Yamba Dam (八ッ場ダム): A Marvel of Engineering and Natural Beauty in Gunma