Once, Niigata was the Canal City. The canals covered the town and rowboats were coming and going. However, these canals were filled in at the time of the rapid economic growth of the Showa 30s. Although the reclamation of the canals and the Shinano River have an important meaning in Niigata's city formation, there is no detailed research, studies nor data on this process. In this research, the process in which the canals are lost from Niigata is clarified toward the revitalization of the canals expected in the future.
