Size 1,397 hectares Main attractions forested wetlands includes mangrove swamps and freshwater swampsMigratory and local water birds Anawilundawa Sanctuary is one of the 6 RAMSAR wetland in Sri Lanka, The sanctuary covers 1,397ha lying between the costal line and the Negambo – Putlam railway line. This wetland consist of six large man made tanks and 3 peripheral tanks interconnected to create a complex irrigation system. The larger tanks are Pinkattiya, Maradansola, Anawilundawa, Mayyawa, Surawila and Vellawali. The history of these tank system goes back to 12th century and sadly the water ways which fed this system is lost without an trace and today these tanks are fed by flood waters of the Deduru Oya brought to the area via the Sengaloya scheme. These tanks has created a natural habitat which is ideal for the birds as well as supplied water to paddy fields around this area for over 800 years. Today this area is very popular among bird watchers and nature lovers. During migration season a large variery of birds can be seen using this area as feeding ground as well as breeding ground . HOW TO GET THERE: - Colombo – Negombo – Chilaw – 10-12km turn left at a small Buddhist shrine. Upon turning to this road the Anavilundawa Railway station is on to the right - Proceed one km to reach the tank. (2 ½ hours) BIRDS AT ANAVILUNDAWA SANCTUARY Open bill, Purple Coot, Common Moorhen, Lesser Whistling Teal, Purple Heron, Grey Heron, Stork-billed, Common, Pied & White-breasted Kingfishers, Gargeni, White-bellied Sea Eagle, Grey-headed Fish Eagle, Black-winged Stilt, Cotton Teal, Indian Shag, Spoonbill, Large, Median & Little Egrets, Black-backed Yellow Woodpecker, Brown Fish Owl and many more.