Deccan Plateau part of the peninsula between the Narmada and Krishna rivers. Having once constituted a segment of the ancient continent of Gondwanaland, this land is the oldest and most stable in India. The Deccan plateau consists of dry tropical forests that experience only seasonal rainfall. On the western edge of the plateau lie the Sahyadri, the Nilgiri, the Anaimalai and the Elamalai Hills, commonly known as Western Ghats. The average height of the Western Ghats, which run along the Arabian Sea, goes on increasing towards the south. Anaimudi Peak in Kerala, with a height of 2,695 m above sea level, is
Tibetan Plateau the Dangjin pass on the Dunhuang-Golmud road. To the west are short ranges called the Danghe, Yema, Shule, and Tulai Nanshans. The easternmost range is the Qilian Mountains. The line of mountains continues east of the plateau as the Qinling, which separates the Ordos Plateau from Sichuan. North of the mountains runs the Gansu or Hexi Corridor which was the main silk-road route from China proper to the West. The plateau is a high-altitude arid steppe interspersed with mountain ranges and large brackish lakes. Annual precipitation ranges from and falls mainly as hail. The southern and eastern edges of the