![](https://www.oki-geopark.jp/wp/wp-content/uploads/2023/03/dozen-caldera-seen-from-the-kirogasaki-lighthouse-900-1.jpg)
Geohistory - Rocks from Volcanic Islands Period
Geosites / Ama Town
Located on the southernmost point of Nakanoshima Island, this lighthouse offers a sweeping view of the Dōzen Caldera. The sea to the south of here is the largest of the three channels connecting Dōzen's inner sea to the Sea of Japan.