Udawalawe National Park is a national park on the boundary of Sabaragamuwa and Uva Provinces in Sri Lanka. The park was created to provide a sanctuary for wild animals displaced by the construction of the Udawalawe Reservoir on the Walawe River, as well as to protect the catchment of the reservoir
Udawalawe is undoubtedly the best place in Sri Lanka to see wild Asian Elephants throughout the year: there are about 500 elephants in the park and they often roam in herds of up to 100. Udawalawe National Park is unique in terms of consistency in numbers of elephants roaming the park: it has no a seasonal variation in herds of elephants. The best hours to visit the park are in the mornings and evenings. Late evening also affords the photographic opportunities in the backdrop of loveliest sunsets. Udawalawe has rich biodiversity. There are so many Species recorded from the park include 94 plants, 21 fish, 12 amphibians, 33 reptiles, 184 birds (33 of which are migratory), and 43 mammals. Additionally, 135 species of butterflies are among the invertebrates found in Udawalawe.