The mountainous ecosystem of river Ganges is mainly found in the North Indian state of Uttarakhand. This region is spread in Uttar Pradesh also. Ganga is the national and most sacred river of India. The river Ganga originates in the form of Bhagirathi and Alaknanda. The average height of this river’s origin is 3140 meters above sea level.
The main branch of river Ganga is Bhagirathi, which originates from the Gangotri glacier from the place called Gomukh of Garhwal Himalayas. It originates from the mouth of a small cave. The river’s water source is a basin located at 5000 meters height. There is an important contribution many small tributaries in taking shape of river Ganges.
The confluence of several water bodies at Dev Prayag gives form to Ganga River. Ganga river enters the plain of Haridwar for the first time, after travelling a narrow hill path of about 200 kms.- Before this, the river produces deep valleys, while making several turns. On both sides, large rocks, boulders, pebbles and sand are deposited in heavy quantities. The slopes on both sides are very steep.