三叠瀑是黄满寨瀑布群的四级瀑布，发育在白垩系官草湖组凝灰质砾岩中，海拔标高290m。呈三级阶梯状，自上而下落差分别为8m、6m、10m。三瀑相连，可谓一波三折，摇曳多姿。 Three cascades waterfall is the fourth-step waterfall of the Huangmanzhai waterfall group and is developed in tuffaceous conglomerate of the Cretaceous Guancaohu Formation. The three stair-step waterfall is 290m above sea level, and runs down with three drops of 8m, 6m and 10m respectively. Three cascades are charming and extraordinary splendid.