房総半島
The is a railway line in Chiba Prefecture, Japan, operated by the private railway operator . It extends from the west coast of central Bōsō Peninsula (where it connects with the Uchibō Line at ) to in the town of Ōtaki (where it connects to the Isumi Line). All of its stations with the exception of the Yorokeikoku terminus are within the city of Ichihara. Diesel cars manufactured between 1961 and 1977 run through the scenic hilly areas of Bōsō Peninsula, and the line has many antique station buildings.