At an altitude of 2,250 to 4,350 meters, it connects pristine forests, meadows, streams, and alpine lakes.
Check in at Longchi Haizi, where the ice-blue lake is backed by snow-capped mountains, and the autumn and winter blue ice creates photogenic light and shadow.
Meet at the Chengdu subway station entrance for round-trip transport, reaching the secret alpine valley of Aergou Peak in one day.