The Koyna River is a tributary of the Krishna river in western Maharashtra, India. The Koyna River is famous for the Koyna Dam which is the largest hydroelectric project in Maharashtra. The reservoir — Shivaji Sagar Lake, is a huge lake of 50 km in length. The dam is situated in Koyna Nagar in the Western Ghats. The river meets the Krishna River, which is one of the three largest rivers in southern India in Karad. The Krishna River is one of the longest rivers of India (about 1300 km in length). ... Maharashtra (महाराष्ट्र) is Indias third largest state in terms of area and second largest in terms of population after Uttar Pradesh. ... Koyna Dam is one of the largest dams in Maharashtra in India. ... Hydroelectric dam diagram The waters of Llyn Stwlan, the upper reservoir of the Ffestiniog Pumped-Storage Scheme in north Wales, can just be glimpsed on the right. ... Koyna Nagar is a town in Maharashtra, India. ... The Western Ghats or Sahyadri mountains run along the western edge of Indias Deccan Plateau, and separate the plateau from a narrow coastal plain along the Arabian Sea. ... The Krishna River is one of the longest rivers of India (about 1300 km in length). ... Karad is a town in Satara district of western Maharashtra. ...

The river is just about 100 meters in width and is slow-flowing. It is an olive shade of green during the dry months and a bluish-brown in the monsoon months. This is because it contains a lot of algae and aquatic plant life. Monsoon in the Vindhya, a mountain chain in central India A monsoon is a periodic wind, especially in the Indian Ocean and southern Asia. ... A seaweed (Laurencia) up close: the branches are multicellular and only about 1 mm thick. ...