The area of Basket Swamp National Park is 28.2 square kilometers.
The area of Hasties Swamp National Park is 570,000.0 square meters.
The area of Phinizy Swamp Nature Park is 4,451,542.06464 square meters.
The area of Bond Swamp National Wildlife Refuge is 26.305 square kilometers.
The area of Great Swamp National Wildlife Refuge is 31.565 square kilometers.
The area of Panther Swamp National Wildlife Refuge is 156.601 square kilometers.
The area of Great Dismal Swamp National Wildlife Refuge is 453.248 square kilometers.
The area of Hallasan National Park is 153.11 square kilometers.
The area of Karoo National Park is 767.86 square kilometers.
The area of Cunnawarra National Park is 158 square kilometers.
The area of Dadohaehaesang National Park is 2,321.5 square kilometers.
The area of Arakwal National Park is 1,990,000.0 square meters.
The area of Springbrook National Park is 61.97 square kilometers.