This 25-square kilometer swamp can be found at the confluence of the Agno and Tarlac rivers.
Swamp Thing | Okefenokee Swamp | Swamp Harrier | Swamp Dogg | Lizard Man of Scape Ore Swamp | Swamp Water | Swamp Pop | Swamp Paperbark | Swamp Ophelia | Swamp Gum | swamp buggy | Swamp Boubou | Great Dismal Swamp | Dismal Swamp | Zapata Swamp | The Swamp Critters of Lost Lagoon | Swamp Yankee | Swamp Water (novel) | Swamp Thing (1991 TV series) | Swamp Rat | "''Swamp Fox''" | Swamp Buggy | Poponto Swamp | Manchac Swamp bridge | Great Swamp Fight | Great Swamp | ''Fugitive Slaves in the Dismal Swamp, Virginia'', by David Edward Cronin | Fairfield Swamp Fight | Dred: A Tale of the Great Dismal Swamp | Curse of the Swamp Creature |
The main branch of the Agno River is Tarlac River which originates from Mount Pinatubo (elevation 1,745 m) in Tarlac and joins the Agno River at Poponto Swamp near Bayambang.