The Markham River flows from the Finisterre Range and ends in the Huon Gulf. The Huon Peninsula, named for the French explorer Jean-Michel Huon de Kermadec, has raised beaches, usually created by the combination of tectonic coastal uplift and quaternary sea-level fluctuations. The Saruwaged massif, with its twin peaks of Bangeta and Saruwaged, dominate the Saruwaged Range; rugged and steep, the massif reaches , and is surrounded by jungles at its base.