Location: Wood Buffalo National Park
Rank: 1
Area (ha): 4480700
Country: Canada

Location: Jasper National Park
Rank: 2
Area (ha): 1122800
Country: Canada

Location: Mont Mégantic Observatory
Rank: 3
Area (ha): 527500
Country: Canada

Location: Aoraki/Mount Cook National Park
Rank: 4
Area (ha): 430000
Country: New Zealand

Location: NamibRand Nature Reserve
Rank: 5
Area (ha): 172200
Country: Namibia

Location: Bieszczadzki Park Narodowy
Rank: 6
Area (ha): 113846.5
Country: Poland

Location: Grasslands National Park
Rank: 7
Area (ha): 92100
Country: Canada

Location: Galloway Forest Park
Rank: 8
Area (ha): 75000
Country: UK

Location: Exmoor National Park
Rank: 9
Area (ha): 69200
Country: UK

Location: Národný park Poloniny
Rank: 10
Area (ha): 48519
Country: Slovakia

Location: Kejimkujik National Park
Rank: 11
Area (ha): 40400
Country: Canada

Location: Cypress Hills
Rank: 12
Area (ha): 39600
Country: Canada

Location: Beskydy
Rank: 13
Area (ha): 30800
Country: Czech Republic

Location: Beaver Hills
Rank: 14
Area (ha): 29300
Country: Canada

Location: Kouchibouguac National Park
Rank: 15
Area (ha): 23920
Country: Canada

Location: Fundy National Park
Rank: 16
Area (ha): 20700
Country: Canada

Location: Mount Carleton Provincial Park
Rank: 17
Area (ha): 17427
Country: Canada

Location: Bruce Peninsula Fathom Five National Marine Park
Rank: 18
Area (ha): 16700
Country: Canada

Location: Hortobagy national Park
Rank: 19
Area (ha): 10000
Country: Hungary

Location: Zselickisfalud
Rank: 20
Area (ha): 9042
Country: Hungary

Location: Rašeliniště Jizery
Rank: 21
Area (ha): 7500
Country: Poland

Location: McDonald Creek Provincial Park
Rank: 22
Area (ha): 2225
Country: Canada

Location: Point Pelee National Park
Rank: 23
Area (ha): 2000
Country: Canada

Location: Torrance Barrens
Rank: 24
Area (ha): 1990
Country: Canada

Location: Lake Hudson State Recreation Area
Rank: 25
Area (ha): 890
Country: USA

Location: Sark
Rank: 26
Area (ha): 545
Country: UK

Location: Observatory Park (Geauga Park District)
Rank: 27
Area (ha): 418.5
Country: USA

Location: Natural Bridges National Monument
Rank: 28
Area (ha): 251
Country: USA

Location: Irving Nature Park Urban Star Park
Rank: 29
Area (ha): 243
Country: Canada

Location: Brecon Beacons
Rank: 30
Area (ha): 134.355
Country: UK

Location: Bluewater Outdoor Education Centre
Rank: 31
Area (ha): 129
Country: Canada

Location: Potawatomi Wildlife Park
Rank: 32
Area (ha): 116
Country: USA

Location: Gordon's Park
Rank: 33
Area (ha): 43.7
Country: Canada

Location: Cherry Springs State Park
Rank: 34
Area (ha): 20
Country: USA