They live in the mountainous rainforests, specifically the montane and subalpine forests at altitudes of 1,500 to 4,000 meters. This is a higher elevation than many other rainforest animals, and the environment is cooler and wetter.
What rainforest does a tree kangaroo live in?
Tree kangaroos are found in the rainforests of New Guinea (both the island of New Guinea and the surrounding islands).