Mapumai Swamp

{{Short description|Wetland in the Cook Islands}}

{{Use dmy dates|date=February 2023}}

Mapumai Swamp is the largest wetland in the Cook Islands.Bruce, J. G. (1983) "Patterns and Classification by Soil Taxonomy of the Soils of the Southern Cook Islands" Geoderma 31(4): pp. 301–323 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.{{cite web |url=https://www.li-an.fr/jyves/Sykes_&_Meyer_2009_Flora_&_Vegetation_Atiu.pdf |title=Vegetation and flora of 'Atiu (Cook Islands) |last1=Sykes |first1=William R. |last2=Meyer |first2=Jan-Yves |publisher= |date=2009 |accessdate=22 August 2020}}