The Kaijende Highlands are a nearly uninhabited expanse of mountains near Porgera in Enga Province, Papua New Guinea.
[3] According to a survey conducted in 2007, "areas like Kaijende are characterized by pronounced dominance of microtherm families, most notably by Cunoniaceae, Epacridaceae, Ericaceae, Geraniaceae, Myrsinaceae, Podocarpaceae, Ranunculaceae, Rosaceae, Theaceae, Violaceae, and Winteraceae.
A notable study compiled samples of 759 specimens from the Kaijende Highlands, which is among the largest surveys by CI-RAP in Papua New Guinea, and discovered 24 new species of plants and frogs among them.
The Kaijende Highlands have received media attention between 2005 and 2010 due to a number of biodiversity studies which have discovered a plethora of new species of plants and animals.
Another study, performed by Wayne Takeuchi of the Forest Research Institute compiled samples of 759 specimens from the Kaijende Highlands, which is among the largest surveys by CI-RAP in Papua New Guinea.