| Province | Western |
| District | Kalutara |
| DSD | Bulathsinhala |
| Village | Damparadugoda located at the private land owned by Wijesekarafamily and presently managed by the WalauwewattePlantation Company |
| Area | 0.062045 km2 (6.2045 ha) |
| Gazette Notification | 1598/21 Dated: 2009.04.24 |
Importance
- The only freshwater swamp forest with unique features recorded up to date in Sri Lanka.
- The only site where the plant species Stemnoporousmooni(‘Hora Wal’) Mesuastylosa(Suwanda) is in wild habitat, in the world.
- High bio-diversity.
- Significant area for research and scientific studies.