The Madder Marshes is a location that appears in the game, Dragons: Titan Uprising.
The Madder Marshes is a waterlogged area with points of higher elevation. These un-submerged areas are rocky spires, but there are also some flat areas.
The Madder Marshes is the tenth sub-section of the Baneful Boglands section the player encounters. Several wild dragons reside here that the player must fight in order to advance in the game. Dragons seen here include but not limited to: the Deadly Nadder, Thunderdrum, Monstrous Nightmare.