The is a Japanese railway line in Kagawa Prefecture, which connects Kawaramachi Station in Takamatsu with Kotoden-Shido Station in Sanuki. It is owned and operated by the Takamatsu-Kotohira Electric Railroad. The line color is rose pink.
All stations are located in Kagawa Prefecture.
The line first opened on 18 November 1911 between Imabashi and Shido Station (now ), electrified at 600 V DC. The line voltage was increased to 1,500 V DC from August 1966.