Key Facts about Sone River

About Sone River

• It is one of the largest southern tributaries of the Ganges after the Yamuna River. 
• Course:
  • Origin: It originates from the Amarkantak highlands in the hills of the Maikala range in Bilaspur district of Chhattisgarh at an elevation of 640 m. (The Narmada River also originates from Amarkantak, though it flows westward while Sone journeys towards the east).
  • The river cuts through the Kaimur Range and joins the Ganges above Patna in Bihar after a 487-mile (784-km) course. 
  • It flows through the states of Chhattisgarh, Madhya Pradesh, Uttar Pradesh, Bihar, and Jharkhand. 
• The total catchment area of the river system is 70,055 sq.km.
• The Sone valley is geologically almost a continuation of that of the Narmada River to the southwest. It is largely forested and sparsely populated.
• The valley is bordered by the Kaimur Range to the north and the Chota Nagpur plateau to the south. 
• The floodplain of the river is narrow and only, 3 to 5 kilometers wide. 
• The river’s flow is seasonal, and the Sone is unimportant for navigation.
• Major Tributaries: The main tributaries of the Sone River are the Rihand River and the Koel River. The other tributaries are the Gopad River and the Kanhar River.
• Dehri is the major town situated on the Sone River.

Q1) Which are the major tributaries of Ganges River? 

The principal tributaries joining the river from right are the Yamuna and the Son. The Ramganga, the Ghaghra, the Gandak, the Kosi and the Mahananda join the river from left.

Source: Illegal sand mining: 20 arrested, 40 big boats seized in Bihar police operation on Sone river