The origin of long island

Changdao County is a county under the jurisdiction of Yantai City, named after Changshan Island. It consists of 32 islands, 66 open reefs and 8,700 square kilometers of sea area, including residential islands 10. Changdao County is the only island county in Shandong Province, located between Jiaodong and Liaodong Peninsula, at the intersection of the Yellow Sea and Bohai Sea, in the connecting zone of the Bohai Economic Circle, and adjacent to South Korea and Japan in the east.

The main scenic spots in Changdao County are Jiuzhangya, Banyuewan National Geopark, Miaodao Ancient Temple Group, Xianjingyuan Folk Park, Linhai Fengshan National Forest Park, Miaodao Mazu Cultural Park, and Beizhuang Site. You can also enjoy catching the sea.

Extended data

Changdao County is located between Jiaodong and Liaodong Peninsula, where the Yellow Sea and Bohai Sea meet, facing Yantai in the south, Dalian in the north, Beijing and Tianjin in the west, and South Korea and Japan across the Yellow Sea in the east.

Changdao County consists of 32 islands and 8700 square kilometers of sea area. These islands and 66 reefs line up in the Bohai Strait from north to south, 42.2 kilometers north of Laotieshan in Liaoning and 7 kilometers south of Penglai. The distance between the north and south islands is 56.4 kilometers, the width of the east and west islands is 30.8 kilometers, the land area is 56 square kilometers, and the coastline is 146 kilometers.

There is a geological structure phenomenon of "large-scale regional inversion strata" in Changdao County. The quartzite and sandstone shale of Penglai Group on the island are not normal stratigraphic sequences, indicating that large-scale closed folds have occurred in the strata, and the strata exposed to the surface should be the inversion wings of the folds.

Changdao County is a hilly area with a small plain along the coast. The highest island in China is Gaoshan Island, with an altitude of 202.8 meters. The lowest island is Dongzuishi Island, 7.2 meters above sea level.

Baidu encyclopedia-Changdao