
Korea's Autumn Foliage in 2026: The Official Peak Forecast Is Out
On 22 September 2026 the Korea Forest Service published its 2026 foliage peak prediction map. Here are the official peak dates mountain by mountain, where the dates that were circulating before that came from, how to work out your own timing from the rule that foliage starts at Seoraksan and moves south 20–25 km a day, and which national park trails need a reservation in foliage season.


