Diyasaru Park (formerly known as Thalawathugoda Wetland Park or Thalawathugoda Biodiversity Study Park), is 60 acre urban wetland park located in Thalawathugoda area of Sri Jayawardanapura, Colombo District, Sri Lanka. It comprises a range of wetland habitats such as marshes, flooded woodlands, lakes, and ponds. It is governed by Sri Lanka Land Reclamation and Development Corporation. The park was officially opened and relaunched to the public on 3 October 2017. It is open 6 days of the week from Monday to Saturday from 6am-6pm.
