Tsukabaru Dam, a concrete masonry gravity dam is in height and has a length of at the crest. The gross storage of the reservoir created by the dam is 34,326,000 cubic meters and the live storage is 19,555,000 cubic meters. The reservoir has a water spread of and has an average depth of . The bridge over the dam has a particular design of its railing, and the identical turrets on both flanks of the dam give it an appearance of a medieval European castle or the Great Wall of China.
