Seoul’s autumn spans from late September to November, with the peak foliage season occurring from mid-October to early November. Popular autumn foliage spots include: Bukhansan: A national park accessible from central Seoul with various courses such as Dobongsan Course and Bukhansan Fortress Course. Visiting in late October when foliage is at its peak offers spectacular views. Namsan: Autumn leaves appear on the walking trails around Namsan Tower. With easy courses, it’s pleasant to walk without strain. Changdeokgung Palace Secret Garden: Special viewing applications are available from October to November. Foliage from trees over 300 years old blends beautifully with historic palace buildings. Advance reservation is required.