This is a shallow freshwater lake with abundant aquatic vegetation spread across the floodplains on the northern bank of Brahmaputra River in Lower Assam. Spread over a 1,700 hectare area, the western edge of Sareswar Beel borders the Rupshi and Bamunijoia Reserved Forest regions. With small scattered villages along the lake periphery, the southern, eastern and western margins comprise of rice-fields cultivated by local residents. The Sareswar Beel is about 4-meters deep during maximum flooding, and which falls to about one meter during the dry winter season. The exposed shorelines are utilized by the villagers as additional land towards seasonal cultivation.