Introduction to Hailuogou Glacier: There is a glacier group in Hailuogou that is 15 kilometers long and 1 kilometer wide. It is a typical marine low-altitude glacier, with a maximum altitude of 6750 meters and a minimum altitude of 2850 meters, with a drop of 3900 meters. It consists of three steps: Grain Snow Basin Glacier, Big Ice Falls and Glacier Tongue. Hailuogou is the largest and lowest among the five glaciers in the Gongga Mountain area.