Nikko Autumn Leaves 2026: When Each Area Turns, Irohazaka Traffic and a Day Route

Nikko's main sightseeing route climbs from about 543 m to about 1,500 m, so the colour starts at the top in September and reaches the shrines in November. Expected peak windows by area (early to mid-October around Yumoto, early to mid-November around the shrines), the Nikko Tourism Association's dated status updates, Tochigi's 2026 Irohazaka traffic measures, and a traffic-aware day-trip example.








