The Hakubi Line is a railway line operated by West Japan Railway Company in the mountainous area of the Chūgoku region of Japan. It begins at the south end of Okayama Prefecture at Kurashiki Station in Kurashiki, passing through Niimi Station on the west side of Niimi, and terminating at Hōki-Daisen Station in Yonago, Tottori Prefecture, linking Okayama Prefecture and Yonago across the Chūgoku Mountains. The Hakubi Line follows the Takahashi River between Kurashiki and Niimi, and the Hino River between Shōyama and Hōki-Daisen.

The West Japan Railway Company, also referred to as JR West , is one of the Japan Railways Group companies and operates in western Honshu. It has its headquarters in Kita-ku, Osaka. It is listed in the Tokyo Stock Exchange, is a constituent of the TOPIX Large70 index, and is also one of only three Japan Railways Group constituents of the Nikkei 225 index: the others are JR East and JR Central. It was also listed in the Nagoya and Fukuoka stock exchanges until late 2020.