Koli National Park

National park · Finland

Autumn foliage at Koli National Park
Photo: Pentti Rautio / Wikimedia Commons, CC BY-SA 3.0

A bald quartzite ridge over Lake Pielinen in North Karelia, its view painted by Eero Järnefelt in 1911 and picked by Sibelius for his honeymoon. Birch and aspen cloaking the 347-meter summit's slopes turn gold and copper in early October, the park's single busiest week of the year.

Best for: a short, steep climb to a classic overlook

Don’t miss

  • Ukko-Koli summit over Lake Pielinen
  • birch and aspen slopes
  • inspired Sibelius and Järnefelt
Typical year

Peak: October 1–October 10

Climatological window from published records. The weather model’s elevation extrapolation isn’t reliable on this terrain, so this is the long-run normal rather than a season-specific forecast.

Source: https://www.luontoon.fi/en/articles/when-to-visit-kolinationalpark

When to go to Koli National Park

Peak usually arrives somewhere between October 1 and October 10. It sits at 337 m, high enough to turn before the valleys do.

Koli National Park on the map

Drag the date slider to see when color reaches this corner of Finland, or tap a pin for that stop’s own peak window.

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Frequently asked

When does Koli National Park peak?
In a typical year, color peaks around October 1–October 10. The weather model's elevation extrapolation isn't reliable on this terrain, so this is a climatological window (source: https://www.luontoon.fi/en/articles/when-to-visit-kolinationalpark) rather than a season-specific forecast.

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