The Corbett National Park or just "Corbett" as it is also popularly known is situated in the hilly districts of Pauri Garhwal and Nainital of the northern state of Uttar Pradesh. It lies between latitude 29° 13' North and 29° 35' North . and longitude 78° 33' East and 78° 46' East. The park comprises an area of 201 sq miles, (520.6 sq km). Of this, an area of 123.5 sq miles (320 sq km) is the core - the sanctum, where no kind of disturbance is permitted. There is a move to expand the park by another 425 sq miles (l100 sq km). After that an area of 116 sq miles (300 sq km) added to the northern area of the park. This expansion is keenly sought after by conservationists as it will link the park with other forests through corridor's. This is important to help the overflow of animals to level out, prevent inbreeding and ensure that viable gene pools are maintained.