Vindhyan Range
- It runs more or less parallel to the Narmada Valley in an east-west direction from Jobat in Gujarat to Sasaram in Bihar for a distance of over 1,200 km. The general elevation of the Vindhyan Range is 300 to 650 m.
- Most parts of the Vindhyan Range are composed of horizontally bedded sedimentary rocks of ancient age.
- The Vindhyas are continued eastwards as the Barner and Kaimur hills.
- This range acts as a watershed between the Ganga system and the river systems of south India.
- The rivers Chambal, Betwa and Ken, rise within 30 km of the Narmada.
Satpura Range
- Satpura range is a series of seven mountains (‘Sat’ = seven and ‘pura’ = mountains)
- It runs in an east-west direction south of the Vindhyas and in between the Narmada and the Tapti, roughly parallel to these rivers.
- It stretches for a distance of about 900 km.
- Parts of the Satpuras have been folded and up-heaved. They are regarded as structural uplift or ‘horst’.
- Dhupgarh (1,350 m) near Pachmarhi on Mahadev Hills is the highest peak.
- Amarkantak (1,127 m) is another important peak.
