The Indus River, also called the Sindhu River, or Abasin, is a major south-flowing river in South Asia. The total length of the river is which makes it one of longest rivers in Asia. It flows through Pakistan, the Indian state of Jammu and Kashmir  and western Tibet. Originating in the Tibetan Plateau in the vicinity of Lake Mansarovar, the river runs a course through the Ladakh region of Jammu and Kashmir, towards Gilgit-Baltistan and then flows in a southerly direction along the entire length of Punjab, Pakistan to merge into the Arabian Sea near the port city of Karachi in Sindh. It is the longest river of Pakistan.