The Meitetsu Inuyama Line (名鉄犬山線, Meitetsu Inuyama-sen) is a 26.8 km Japanese railway line operated by the private railway operator Nagoya Railroad (Meitetsu),[2] which connects Biwajima Junction in Kiyosu with Shin-Unuma station in Kakamigahara.

Tōkai Transport Service Jōhoku Line (Otai) The Nagoya Electric Railway (later Meitetsu) opened the Biwajima to Iwakura section, as an interurban electrified at 600 V DC, in 1910.

The line was extended to Inuyama in 1912 built with double tracks.

In 1922, the Biwajima to Iwakura section was double-tracked, and in 1926, the line was extended as dual track to Shin-Unuma, including a combined rail and road bridge over the river Kiso.

In 1948, the voltage was increased to 1,500 V DC, and in 1993 through services commenced on the Nagoya Municipal Subway Tsurumai Line.