Twenty Eight (28) National Parks have scattered throughout the country by providing scientific, educational, recreational and aesthetic opportunities to visitors. These areas are declared under the provisions of Fauna and Flora Protection Ordinance. Visitors are allowed to enter the national park with permits in accordance with the conditions, issued by prescribed officer of Department of Wildlife Conservation on the payment of the prescribed fee. Yala and Wilpattuwa are the older National Parks of the country. Yala, Wilpattu, Horton plains and Udawalawa are the most visited national parks of the country. National parks such as Maduruoya, Udawalawa and Galoya were declared for the purposes of protection of catchment areas and to provide habitats for displaced animals due to the huge irrigation projects. Definition of National park is compatible with the category II of protected areas introduced by IUCN.