Hailuogou glacier is also called No.1 Glacier.It is 14.7 km long and is the longest in the 71 glaciers of Mt. Gongga.It occupies an area of 16 sq.km with highest height of 6750 m and lowest 2850 m.It possesses 3 steps longitudinally:firn basin,the gestation place of glacier;icefall,500 to 1100 meters wide and 1080 high which is the highest and grandest icefall in China and gracier tongue which extends 6 km into the forest,forming strange scene of the coexistence of forest and galcier.The activity of Hailuogou Glacier is very strong.In the movement of glacier,there forms glacier circular arch,ice cavern,glacial staircase,ice gate,ice lake and serac which are as glittering and translucent as jade and crystal.
Hailuogou is "A ditch four seasons, different climate without ten Miles" climate characteristics, warm in winter, cool in summer, fewer clouds and more sunshine, the annual rainfall 2000mm. Four Seasons Hailuogou can travel from the landscape and climate conditions, is an ideal tourism, vacation, convalescence, mountain climbing, scientific exploration, adventure holidays.
Vegetational Zone：Semitropical semiarid river valley loose wood shrubland
Vepresentational Vegetation：Ceridiphyllum japonicum,Magnolia dawsoniana
Wildlife：Tibet black-bone chicken and butterfly
Main Sight-seeing Item：56℃ hot spring，watching No.2 glacier and Virgin Forest at long bowls
Vegetational Zone：Semitropical evergreen broad-leaved forest
Vepresentational Vegetation：Taxus chinensis, Betula spp.
Wildlife：Budorcas taxicolor,Actinidi chinesis and antelope
Main Sight-seeing Item：92.5℃ hot spring，Taxus chinensis，monkey，Virgin Forest and lakes
Vegetational Zone：Temperate mixed belt of broadleaf and coniferous forest
Vepresentational Vegetation：Picea brachytyla, Alp grandifoliate cuckoo
Wildlife：Tibet Actinidi chinesis
Main Sight-seeing Item：Enjoy grandifoliate cuckoo,watching sunlight on the mountain and visit the Virgin Forest
Vegetational Zone：Cool temperate taiga
Vepresentational Vegetation：Alp boskage and hsueh-lien-hua
Main Sight-seeing Item：sitting in the alp ropeway,watching grand icefall and enjoy the charm of the glacier.