Landscapes & nature
Pielinen
Lake in North Karelia, Finland
Wikipedia names Pielinen as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Pielinen. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Lieksa
Finland · 18 km north-east
Town in the region of North Karelia in Finland
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Landscapes & nature
Koli
Finland · 18 km south
Mountain in Lieksa, Finland
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Landmarks & buildings
Vuonislahti
Finland · 18 km south-east
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Landscapes & nature
Kukkosaari
Finland · 20 km west
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Towns & cities
Juuka
Finland · 22 km west
Municipality in the region of North Karelia in Finland
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Landscapes & nature
Koli National Park
Finland · 23 km south-east
National park in North Karelia region, Finland