Mapumai Swamp is the largest wetland in the Cook Islands.[1] It is located in the north of Atiu, on the edge of the volcanic area. Its flora is dominated by Cladium, giant bullrush, and Azolla filiculoides.[2]
19°58′55.65″S 158°6′44.6″W / 19.9821250°S 158.112389°W