Qinghai Lake, also known as "Kukuqior", means "green sea" in Mongolian. Located in Qinghai Lake Basin. It is formed by the fall of the fault between Datong Mountain, Sun Moon Mountain and Qinghai Nanshan Mountain in Qilian Mountain. The continental climate of the plateau has created different beauty in the four seasons. The Erlangjian Scenic Area on the south side can take a boat tour of the lake; the west side is Bird Island, and there are hundreds of thousands of birds for viewing and shooting every year in the month; the east of the lake is mainly beach scenery and entertainment, with the famous Sun Moon Mountain, Dabu River, etc.; the north side is Jinyintan and Atomic City and other attractions. July and August are the best season to go to Qinghai Lake, rape blossoms are blooming, and the annual lake-ring bicycle race is also held at that time.