“The Annamite Range is a major mountain range of eastern Indochina, extending approximately 1,100 km through Laos, Vietnam, and a small area in northeast Cambodia. The mountain range is also referred to variously as Annamese Range and Annamese Cordillera. The name "Annam" comes from Chinese, meaning "to pacify the south", referring to the region's location relative to Southwest China.”

“The highest points of the Annamese Mountains are the 2,819 metres high Phou Bia, the 2,720 metres high Phu Xai Lai Leng and the 2,598 metres high Ngọc Linh (Ngoc Pan). The latter is located at the northwestern edge of the Triassic Kontum Massif in central Vietnam. Important mountain passes are the Nape Pass and the Mụ Giạ Pass.”

“The Annamese Mountains runs parallel to the Vietnamese coast, in a gentle curve which divides the basin of the Mekong River from Vietnam's narrow coastal plain along the South China Sea. The eastern slope of the range rises steeply from the plain, drained by numerous short rivers. The range itself has three main plateaus, from north to south: Phouane Plateau, Nakai Plateau and Bolaven Plateau.”