Bailong Lake - Volcanic Barrier Lake Tourist Area Introduction: Wudalianchi from south to north is the first pool (Lianhua Lake), the second pool (Yanshan Lake), the third pool (Bailong Lake), the fourth pool (Heming Lake), and the fifth pool. Ruyi Lake is the second largest volcanic barrier lake in my country. Wudalianchi has a wide water area, high mineral content in the water, strong magnetization ability, fertile water, rich oxygen content, and luxuriant aquatic plants, which is suitable for the growth of various fish. It is rich in more than ten species of carp, crucian carp, silver carp, catfish, grass roots, crayfish, etc. Precious mineral spring cold water fish and various river shells.