is a railway station on the Meitetsu Hiromi Line in the city of Kani, Gifu, Japan, operated by the private railway operator Meitetsu. Its name refers to the nearby Japan Rhine valley.
Nihonrain-imawatari Station is served by the 22.3 km Meitetsu Hiromi Line from in Aichi Prefecture to in Gifu Prefecture. It is 12.2 kilometers from the starting point of the line at Inuyama.
The station has two opposed ground-level side platforms, connected by a level crossing. The station is unattended.
The station opened on April 4, 1925 as . It was renamed Nihonrain-imawatari Station on November 10, 1969.