"Halla Arboretum" was established for the study and the preservation of natural environment. In the gardens there are 506 kinds of trees and 90 kinds of plants, and in the greenhouse there is the Subtropical Plant Hall (105 kinds) and the Native Plant Hall (103 kinds) with a total of 208 types of plants.
There are 2,722 stumps of endangered and rare plants such as the Michelia Compressa and Euchresta Japonica, and the Chloranthus Glaber that only grows at Cheonjiyeon. At Halla Arboretum you can meet the four-season flower forest, colorful forests, and the beautiful seasons of mother nature at Halla.