Shikoku is the smallest of the four main islands of Japan. It is 225 kilometres long and between 50 and 150 kilometres wide. It has a population of 3.5 million, the least of Japan's four main islands.
Mount Ishizuchi is the highest mountain in Shikoku.
Cape Ashizuri is at the southernmost tip of Shikoku.
The Dosan Line is a railway line in Shikoku, Japan, operated by the Shikoku Railway Company. It connects Tadotsu Station in Tadotsu, Kagawa, and Kubokawa Station in Shimanto, Kōchi. The line links the