The Tempoku Line was a railway line most recently operated by Hokkaido Railway Company in Hokkaidō, Japan. The 148.9 kilometres line connected from Otoineppu to
Minami-Wakkanai via Nakatonbetsu, Hamatonbetsu and Sarufutsu until its closure in 1989. This railway line was named after Teshio Province and Kitami Province.
Wikipedia https://en.wikipedia.org/wiki/Tempoku_Line
Coordinates 44°49'45.243" N 142°18'40.615" E