Papahanaumokuakea Marine National Monument (PMNM), 2006-2016 - Northwestern Hawaiian Islands (NWHI)
Boundary of the Papahanaumokuakea Marine National Monument (PMNM), located in the Northwestern Hawaiian Islands (NWHI). Created in 2006, Papahanaumokuakea is the largest conservation area in the U.S. and one of the largest marine conservation areas in the world. It is home to extensive coral reefs harboring over 7,000 …