Poponto Swamp
Swamp in Luzon, Philippines / From Wikipedia, the free encyclopedia
Poponto Swamp is a swamp in Luzon, Philippines, located at the boundary of Tarlac and Pangasinan provinces. This 25-square kilometer swamp can be found at the confluence of the Agno and Tarlac rivers.[1] It is near the town of Bayambang, Pangasinan.[2] It is also known as the Mangabol Marsh.[3]