Introduction to Jinghu Lake: Jinghu Lake is Maar Lake, a volcanic crater in Huguangyan. The lake water is clear and spotless. The lake surface is slightly heart-shaped, covering an area of ​​2.23 square kilometers. The average water depth is 18 meters, and the deepest point is more than 40 meters. It has It has high geological value and is a rare representative of volcanic lakes in the world since the fourth century. It occupies an important position in the world.