A 375m pedestrian suspension bridge in Hitachiota, the longest in mainland Japan. Spanning Ryujin Dam at 100m above the lake surface, offering thrilling aerial walks. Ryujin Valley is a place of dragon deity worship, said since ancient times to be home to a water dragon god. Bungee jumping is available — one of Japan's premier bungee spots at 100m height. The spring koinobori festival features abo…

Ryujin Valley has been said since ancient times to be home to dragon gods, with water deity worship taking root. Dragon legends spread throughout Hitachiota, expressing gratitude for agricultural water blessings. Ryujin Dam was completed in 1979 for water supply and flood control. The Great Suspensi…