Cu Lao Cham Nature Reserve is situated in Tan Hiep commune, Hoi An town. The nature reserve comprises an archipelago of one large island and seven smaller islands, lying about 12 km off the coast of central Vietnam. The largest island, Hon Lao, covers 1,317 ha. The topography of Cu Lao Cham island is dominated by two peaks: a 517 m peak in the centre of the island and a 326 m peak at the western end.