The is a railway line in Hyà Âgo Prefecture, Japan, operated by West Japan Railway Company (JR West), which connects the cities of Kakogawa and Tamba.
The line begins at Kakogawa Station on the JR Kobe Line (Sanyà  Main Line) and ends at Tanikawa Station on the Fukuchiyama Line.
The Banshu Railway opened the Kakogawa - Nishiwakishi section in 1913, and extended the line to Tanikawa in 1924. The company was nationalised in 1943.
Freight services ceased in 1986, and CTC signalling was commissioned on the entire line in 2004.
Former branches of the Kakogawa Line included the Takasago Line (connected at Kakogawa Station), the Miki Line (connected at Yakujin Station) and the Kajiya Line (connected at Nomura Station, i.e. present-day Nishiwakishi Station).