[🇺🇸]Korea’s 2025 Autumn Foliage to Peak Later Than Usual

In Korea, the peak of autumn foliage in 2025 is expected to arrive 4–5 days later than in previous years.

The Korea Forest Service announced on October 1 its “2025 Autumn Foliage Forecast Map,” predicting that the leaves will reach their peak colors between late October and early November.

By tree type, the peak dates are projected to be October 28 for ginkgo, October 31 for oak, and around November 1 for maple.

By region, Seoraksan Mountain is expected to peak on October 25, Songnisan on October 27, Naejangsan on November 6, and Gayasan on November 11, showing a gradual delay toward the southern regions.

An analysis of the past decade’s data revealed that the peak foliage period has been delayed by an average of 0.4–0.5 days each year. Experts attribute this to global warming, with scientists noting that “the delay in autumn foliage is a clear indicator of climate change.”

This forecast is based on long-term phenological data collected by the National Arboretum and public arboretums nationwide. It represents not just travel information, but a scientific finding of great significance in climate change research.

This year, as we await the late-turning autumn leaves, it may also be a moment to reflect on the environmental warning hidden within their beauty.

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