Is Asahidake (Daisetsuzan) First Koyo happening right now?
As of today, out of season, returns ~August. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Asahidake in Daisetsuzan National Park is usually the earliest place in Hokkaido to show autumn colors.
The alpine dwarf birch and rowan belt around the summit begins turning in late August, producing bright golds and crimson patches that then progress down-valley over weeks.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Asahidake Ropeway Upper Station / Sugatami Viewing Deck |
| Asahidake Summit Ridge (from ropeway upper station) |
| + 1 more spot, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.