The area of Pongolapoort Nature Reserve is 119.17 square kilometers.
The area of Nigula Nature Reserve is 64 square kilometers.
The area of Caledon Nature Reserve is 23 square kilometers.
The area of Rietvlei Nature Reserve is 38 square kilometers.
The area of Muniellos Nature Reserve is 54.88 square kilometers.
The area of Amani Nature Reserve is 83.8 square kilometers.
The area of Köpetdag Nature Reserve is 497 square kilometers.
The area of Anysberg Nature Reserve is 625 square kilometers.
The area of Ulandra Nature Reserve is 39.3 square kilometers.
The area of Bargerveen Nature Reserve is 6,000,000.0 square meters.
The area of Abuko Nature Reserve is 1,070,000.0 square meters.
The area of Burrinjuck Nature Reserve is 52.07 square kilometers.
The area of Bladen Nature Reserve is 403.86 square kilometers.