The is a river in Toyama Prefecture, Japan, that flows through the city of Toyama as well as the town of Tateyama. The river was previously referred to as the Nii River (æ°巠Nii-kawa).
The river originates in the Tateyama Mountains in the south-eastern area of the city of Toyama. From there, it flows north-west, helping form the border between Toyama and Tateyama. It then cuts through Toyama before emptying into Toyama Bay.