Finland has 41 national parks. The first one opened in 1938. The latest addition is Salla National Park opened in 2022. Here are the Finland’s 41 national parks from largest to smallest.
Lemmenjoki National Park
- Area 2858 km²
Urho Kekkonen National Park
- Area 2549 km²
Pallas–Yllästunturi National Park
- Area 1023 km²
Bothnian Sea National Park
- Area 916 km²
Archipelago National Park
- Area 527 km²
Syöte National Park
- Area 302 km²
Oulanka National Park
- Area 285 km²
Bothnian Bay National Park
- Area 149 km²
Pyhä–Luosto National Park
- Area 144
Hossa National Park
- Area 111 km²
Patvinsuo National Park
- Area 105 km²
Salla National Park
- Area 100 km²
Linnansaari National Park
- Area 97 km²
Riisitunturi National Park
- Area 76 km²
Kauhaneva-Pohjankangas National Park
- Area 67 km²
Salamajärvi National Park
- Area 65 km²
Kolovesi National Park
- Area 61 km²
Lauhanvuori National Park
- Area 59 km²
Nuuksio National Park
- Area 56 km²
- Visit Nuuksio National Park
Ekenäs Archipelago National Park
- Area 55 km²
Helvetinjärvi National Park
- Area 50 km²
Seitseminen National Park
- Area 46 km²
Hiidenportti National Park
- Area 45 km²
Tiilikkajärvi National Park
- Area 35 km²
Teijo National Park
- Area 34 km²
Leivonmäki National Park
- Area 31 km²
Kurjenrahka National Park
- Area 31 km²
Torronsuo National Park
- Area 31 km²
Koli National Park
- Area 29 km²
- Visit Koli National Park
Puurijärvi and Isosuo National Park
- Area 28 km²
Sipoonkorpi National Park
- Area 24 km²
Isojärvi National Park
- Area 22 km²
Liesjärvi National Park
- Area 21 km²
Valkmusa National Park
- Area 19 km²
Rokua National Park
- Area 17 km²
Southern Konnevesi National Park
- Area 16 km²
Päijänne National Park
- Area 16 km²
Repovesi National Park
- Area 16 km²
Pyhä-Häkki National Park
- Area 13 km²
Gulf of Finland National Park
- Area 9 km²
Petkeljärvi National Park
- Area 7 km²
Check the map of the locations from www.nationalparks.fi/nationalparks
Sources:
Metsähallitus
National Parks