Huisun Forest, the largest of Chung Hsing University's four experimental forestry areas, extends over 18,000 acres and covers several mountain tops. Climbing from 450 to 2419 meters above sea level, the forest contains both tropical and temperate-zone trees.
惠蓀林場面積達七千三百四十三公頃，涵蓋數個山頭，是中興大學四個實驗林場中最大的一個；且地勢從海拔四百五十公尺到二千四百一十九公尺，造成將近二千公尺的落差，因此區內有溫帶、暖帶和亞熱帶林木。