The longest river in Pakistan is: A) Ravi B) Sutlej C) Chenab D) Indus Related MCQs: According to the Indus Basin Treaty, the waters of the River Beas, River Ravi, and River Sutlej would be used by? Which is the longest river in Pakistan? Which is the longest river of Pakistan? Famous love story of “Sohni Mahiwal” is associated with which river?