- First published
- Oct 3, 2026
- Practical facts checked
- Oct 3, 2026
Seoraksan National Park
A major mountain national park in Gangwon State, known for granite peaks, deep valleys, temples and one of Korea’s earliest autumn foliage seasons. Visitor conditions vary sharply by route, weather and elevation.
The 2026 foliage forecast places Seoraksan’s first autumn color on October 3 and peak color around October 25. That means early October is the beginning of the seasonal transition, not peak foliage yet.
Why go
Go for mountain scenery that changes quickly with elevation and season rather than for one fixed viewpoint. Shorter valley walks and longer mountain routes offer very different experiences, so route choice matters.
Plan the visit
Use the confirmed place facts below, then continue to the broader travel guides for transport, facilities and eating practicalities.
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