Lang Sen salt-marsh natural reserve is located In Tan Hung District, Long An Province, and is sponsored by the Global Environmental Fund (GEF), UN Development Program (UNDP), International Union of Conservation of Nature (IUCN) and Mekong Wetlands Biodiversity Program (MWBP).
This was selected as one of the two regions for intelligent biodiversity preservation in Mekong Sub-region. In Lang Sen, there is a diversity of plants and animals including hundreds of species, especially sarus cranes.
