The Indus (known as Sindhu in ancient times) is the principal river of Pakistan. It flows from the Himalayas approximately southwest to the Arabian Sea. India is named after it. The Indus Valley Civilization was one of the oldest urban civilizations in the world.

The ultimate source of the Indus is actually in Tibet; it begins at the confluence of the Sengge River and Gar River that drain the Nganglong Kangri and Gangdise Shan ranges. The Indus then flows northwest through Kashmir just south of the Karakoram range, then gradually ... (more)