Introduction to Longmen Waterfall: Longmen Waterfall is located in the middle of Nanjianyan Scenic Area, with an altitude of 1225 meters. The height of the waterfall is about 20 meters, and the total width is about 4 meters. The waterfall is divided into two left and right channels, each with a width of about 1-1.5 meters. , pouring into the same pool, it is named "Dragon Gate" because its shape resembles a left and right double door.