Papua New Guinea topographic maps

Average elevation: 2 m

Average elevation: 2,132 m

Average elevation: 3,298 m

Average elevation: 2 m

Average elevation: 464 m

Average elevation: 1,573 m

Average elevation: 50 m

Average elevation: 42 m

Average elevation: 26 m

Average elevation: 37 m

Average elevation: 63 m

Average elevation: 740 m

Average elevation: 106 m

Average elevation: 18 m

Manus reaches an elevation of 700 m (2,300 ft) and is volcanic in origin and probably broke through the ocean's surface in the late Miocene, 8–10 million years ago. The substrate of the island is either directly volcanic or from uplifted coral limestone.

Average elevation: 5 m

Average elevation: 704 m

Average elevation: 98 m

Average elevation: 495 m

Average elevation: 103 m

Average elevation: 18 m

Average elevation: 394 m

The island is part of two ecoregions. The New Britain-New Ireland lowland rain forests extend from sea level to 1000 meters elevation. The New Britain-New Ireland montane rain forests cover the mountains of New Britain above 1000 meters elevation.

Average elevation: 77 m

Average elevation: 8 m

Average elevation: 177 m