Introduction to Hualin: is located on the mountain at an altitude of 1,600 meters in the Sandiequan Scenic Area. There are about 30,000 acres of birch forest. The birch trees in the birch forest are divided into red birch and white birch. They are divided into red and white bark colors. They are both broad-leaved trees with brittle and hard wood. Among them, red birch is a national rare tree species. The birch forest is 30 years old, with an average tree height of 35 meters and a diameter at breast height of 40 centimeters.