Rivers, Lakes and Waterfalls

River is a large stream of fresh water flowing downhill within a channel to enter another river, lake or sea.

World’s Largest River is South America’s Amazon, which flows into the South Atlantic. It is so regarded in view of the size and the volume of water it discharges into the sea.

World’s Longest River is Nile Egypt, which flows in to the Mediterranean Sea. It extends to 6,690 km.

Levee refers to the river bank formed by the accumulation of slit during flood or the embankment built by man.

Estuary is the tidal mouth of a river where the salt water of the tide meets the fresh water of the river current.

Delta is a triangular tract of land formed by the accumulation of silt at the river’s mouth near the sea. It is so called because of its resemblance to the better (delta0 of the Greek alphabet.

World’s Largest Delta is the Sunderbans Delta which is created in Bay of Bengal by the Ganges and Brahmaputra in West Bengal in India and Bangladesh. It covers an area of 75,000 sq km.

Meander is a curve in the course of a river which continuously swings from side to side in wide loops, as it progresses across the flat country. The term ‘meander’ is derived from the name of river Meander of Asia Minor.

George or Canyon is a rock-walled, steep-sided, deep narrow but of considerable size bounded by steep slopes is called canyon. The Grand Canyon of Colorado river in the USA, which has a depth of 1,615 metres, is the longest canyon in the world.