1. Huguangyan Maar Lake is located 18 kilometers southwest of Zhanjiang City, Guangdong Province. The specific address is Huguang Town, Mazhang District, Zhanjiang City.
2. With an area of 2.3 square kilometers and a depth of more than 20 meters, the lake water is composed of underground mineral water and rainwater. It is the largest wet Maar lake in China and even the world, the starting point of China's Maar lake research, and the key point of the world's Maar lake research.
