The area of Natural Park of Serra d'Irta is 77.44 square kilometers.
The area of Serra do Divisor National Park is 8,463 square kilometers.
The area of Serra da Bocaina National Park is 1,040 square kilometers.
The area of Redes Natural Park is 378.03 square kilometers.
The area of Somiedo Natural Park is 391.64 square kilometers.
The area of Mureş Floodplain Natural Park is 174.55 square kilometers.
The area of Munchique National Natural Park is 440 square kilometers.
The area of Tamá National Natural Park is 480 square kilometers.
The area of Puracé National Natural Park is 830 square kilometers.
The area of Esan Prefectural Natural Park is 41.16 square kilometers.
The area of Vânători-Neamţ Natural Park is 308.4 square kilometers.
The area of Cadí-Moixeró Natural Park is 410.6 square kilometers.
The area of Iron Gates Natural Park is 1,156.55 square kilometers.