Covering an area of 24,000 hectares, Lunugamvehera National Park was established for protection of elephants migrating from Yala to Udawalawe National Park. The dry-mixed forests are rich in biodiversity and a home to a large number of wild elephants and buffaloes. Also, some other species of mammals such as fishing cat, grey mongoose, wild boar, spotted deer and mouse deer are found in this area.
It is estimated that Fauna of the park includes 21 fish species, 12 amphibians, 33 reptiles, 183 birds and 43 mammals. The Park, being a dry zone forest records temperature close to 30 degrees centigrade with rain between November and January each year making the park suitable for visiting all year round.