2. The Truong Son Range: Often referred to as the Annamite Range or the Central Highlands, stretches along the central and southern regions of Vietnam, forming a natural divide between the coastal plains and the western plateaus. It spans over 1,000 kilometers and features diverse landscapes, including mountains, forests, and valleys.
3. The Bac Son Range: Located in northeastern Vietnam, the Bac Son Range is a rugged mountain range that serves as a natural border between Vietnam and China. It stretches for approximately 200 kilometers and is characterized by steep slopes and dense vegetation.