After a course of about 72 km, it enters Bilaspur District at 23° North. It receives the waters of the Gej and the Chornai on the left bank and the Tan and the Ahiran on the right before it meets the Mahanadi. The total length of the river is 245 km. The valley is narrow. Important settlements along the river are Sonhat, Ghugra, Manendragarh, Kosgain, Korba and Champa. Manendragarh has vast range of forests. Up to the last decade of the 19th century. Most common trees of Korea District are Sal, Mahua, Tendu, Palas, Char, Bija, Harra, Bahera, Sisam, Kusum, Salya, Khair, Arun, Gamhar etc. Bamboos are mostly available in the forests. The income of Manendragarh Region is based on rural market as well as South Eastern Coal Limited (SECL). Chamber of Commerce is established in Manendragarh for the issues regarding businesses and for the welfare of business owners. Manendragarh is surrounded by 4 out of 11 SECL area namely Hasdeo Area, chrimiri Area, Baikunthpur & jamuna Kotma. National High way 43 connects Manendragarh with other parts of the state. Bus services operate between the different cities of Madhya Pradesh (like Rewa, Jabalpur), Chhatisgrah (Bilaspur, Raipur), Uttar Pradesh (Allahabad, Varanasi), Jharkhand(Ranchi) and Bihar. Various trains are available for connectivity to other cities like Bilaspur, Raipur, Durg, Ambikapur Jabalpur, Rewa, Katni etc.  Manendragarh Railway station has direct connectivity with many cities of Madhya Pradesh and Chhattishgarh. Manendragarh station is situated on the Anuppur - Chirmiri railway line.