Spanning 196 hectares, Halla Ecological (Eco) Forest is home to 288,000 trees representing 333 indigenous plant species. Having been designated as a conservation area, the forest provides plenty of great opportunities to observe and learn about Jeju's diversified ecosystem through various facilities including an observatory, plant nurseries, walking trails, and more. The forest also features 13 themed forests with low-impact facilities to preserve the essence of the forest. Visitors can sign up for the forest experience program to enjoy the walking trails within the forest.