Okinoshima

Overview

Okinoshima is an island belonging to Sukumo City in the southwestern part of Kochi Prefecture on Shikoku. It lies in the Pacific Ocean about 24 km off the coast of Katashima in Sukumo, and is the southernmost point of Shikoku. The island covers 10.02 km² with a coastline of roughly 17 km, measuring about 3.5 km east to west and 5.8 km north to south.

Highlights

• ●The island's highest point, the summit of Mount Imose, at 404.1 m
• ●Its position as the southernmost point of Shikoku, surrounded by the Pacific
• ●Designation as part of the Ashizuri-Uwakai National Park area
• ●An island settlement chosen among the 'Shima no Takara 100 Views'

History

The island's old name was most likely 'Imose no Shima.' A former provincial border ran through the island, straddling the historic provinces of Tosa and Iyo. Alternative names recorded for the island include Okinoshima, Tosa-Okinoshima, and Imosejima.

Map

32.7275, 132.5547 · Wikidata

Suggested itinerary

1. 1Cross by sea to the island lying off Katashima in Sukumo City
2. 2Explore the island settlement selected for the 'Shima no Takara 100 Views'
3. 3Take in the rugged terrain toward Mount Imose (404.1 m), the highest point
4. 4View the coastline scenery within Ashizuri-Uwakai National Park

Did you know?

💡 Okinoshima covers 10.02 km² with a coastline of about 17 km, and a former provincial border once ran across it dividing Tosa and Iyo.

Nearby spots