Claim: Amagase Dam is 73 m (240 ft) tall with a surface area of 1.9 km and withholds a reservoir
Evidence: The Amagase Dam (天ヶ瀬ダム) is an arch dam on the Uji River just upstream from Uji, Kyoto Prefecture, Japan. The dam is a 73 m (240 ft) tall, 254 m (833 ft) long variable-radius arch type with structural volume of 162,000 m (5,720,976 cu ft). The dam withholds a reservoir called Lake Hōō (鳳凰湖, Hōō-ko, lit. It has a surface area of 1.9 km (1 sq mi). Japan Arch, variable-radius 73 m (240 ft) 1.9 km (1 sq mi)