Physical Features
With an altitude of 804m Rammale Kanda is the highest point which situated in the Northern edge of the district. There are a number of major and minor rivers and streams in the area that either originate in the highlands adjacent to the Hambantota District or from the central and Uva hills of the island and flow in south & southeastern direction. Kumbukkan Oya in the Northeast and Manik ganga and its tributaries in the west flow through the Yala National Park providing a source of water to the animals even during the driest months of the year. These rivers and streams show very high fluctuations in the runoff between wet and dry seasons. For example, the Udawalawa river, Menik Ganga and Kumbbukkan Oya carries much water to the sea in the rainy season than it does during the dry season. Other major rivers are Uru bokka Oya, Uda Walawa River, kirindi Oya, Kirama Oya and Kuchigal-Ara which flows southwardly. At the western edge of the district, creates few waterfalls and the highest water fall is about 40 ft (Sapugahadola Ella).
Reservoirs such as Muruthawela and Weeravila, Lunugamvehera, Yoda wewa, Tissa Wewa, Ridiyagama tank and Debarawewa located within the district. Some of the significant coastal physical features are the large sand dune which lies along the coastal belt from Bundala to Yala.
Katuwana & Walasmulla DS division s in the district have small tea plantations which show the ecological diversity in the District.
Some of the major geological formations in the district are blow hole which located in Tangalle divisions and the hot springs near Madunagala in Sooriyawewa Division
The Lagoon
Mangrove vegetation is widespread in the estuaries of Manik Ganga and Kumbukkan Oya. Some of the important lagoons in the Hambantota district are Rekawa, Lunama, Kalametiya, Bundala, Koholankala, Palatupana, and the lagoons within the Yala National park are Buthuwa, Udapothana, Mahirawa, Etiliu and Udagajaba.
Apart from the lagoons there are number of large man made ancient tanks in the district namely, Debarawewa, Tissa Wewa, Weeravila, Yoda Wewa, Lunugamvehera which provides the water for the agricultural activities. There are large numbers of small tanks surrounded by these larger tanks with an irrigation network.
Forest
Hambantota district provides refuges to large number of fauna & flora while three major National Parks in the country located in the district namely, Yala NP (97,880.0ha.), Bundala NP (6,216ha.), Lunugamvehera NP (23,498.8ha.). Additionally, there number of sanctuaries located within the district namely, Weeravila (4,164.2ha.), Ridiyagama (4,273.5ha.), Pallemalala (13.7ha.), Kalametiya (2,525.2ha.), Nimalawa (1,065.8ha.), Madunagala (995.2ha.).
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