The Penninsular Plateau


  • Facing  the Bay of Bengal and the Arabian sea the penninsular plateau from largest physiographic division
  • It stretches from the Satpura range in the north to Kanyakumari in south, for a distance of about 1500 km and from the Westernghats in the west to Rajmahal hills in the east, for a distance of 1400 km
  • It has four physiographic sub-units: the western Ghats, the Deccan Plateau, the Eastern Ghats and the Eastern Plateau
  • The Sahyadri in the northern part is formed of horizontal lava sheets.
  • Thalghat and Bhorghat are two important passes through which the means of transport runs between the Konkan plain and the interior plateau
  • The Sahyadri in its central section runs close to the coast
  • The Godavari, the Krishna and the Kaveri rivers have their sources on the Sahyadri and flow into the Bay of Bengal
  • South of Palaghat gap is known as southern hills
  • The highest peak Anamudi is the central point from where three ranges radiates in three directions - the Cardamom hills to the south, the Anamalai to the north and Palani to the north east
  • The Deccan in its northern section comprises the Satpura range and the Maharashtra plateau
  • The Maharashtra plateau is formed of lava and is drained by Tapi in the north and Godavari in the south 
  • The plateau of Andhra Pradesh and Karnataka form the southern part of he Deccan. They are drained by the tributaries of Krishna and Kaveri
  • The Baghelkhand plateau, the Chotanagpur, the Mahanadi basin and the Dandakaranya from the eastern plateaus
  • North of the Mahanadi stands the Baghelkhand plateau which was drained by the tributaries of Son river
  • The Chhotanagpur plateau composed of granites and gneisses, from Jharkhand
  •  The Chhotanagpur is an old erosion surface with three lava hills of the Dalma, Porahat and Rajmahal
  • The plateau is drained by Damodar
  • The Mahanadi and its numerous tributaries drains the central part of the Eastern plateau
  • Loccally this region is known as the Chhattisgarh basin
  •  South of this basin lies a region of sparse population and rugged topography, known as the Dandakaranya plateau
  • The eastern Ghats are non contiguous contrary to the Western Ghats
  • In Orissa the Eastern Gharts are known as Mahendragiri
  • Southwards they are detached low hill Javadi and Shevaroy hills
  • The Nilgiri, far south of Tamil Nadu, is the meeting place of  the Western Ghats, the EasternGhats and the Southern hills. It has the highest peak of Dodabeta and Udagamandulam (Ooty) hill station

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