Kausar Nag or Kausarnag (sometimes alternatively spelled as Konsarnag), is a high-altitude oligotrophic lake located in the Pir Panjal Range in the Kulgam District's Noorabad of Kashmir.The lake is roughly 2 miles long and half a mile at the widest point.[1] The trek to Kausarnag is via the famous waterfall of Aharbal. The lake is located in a valley that is surrounded by peaks on all sides with elevation in excess of 4000 metres above sea level.The water from the lake merges with sheeshnag steam thus becoming one more source of lidder. one can cross over the sonasar pass and descend from the other side towards sonasar lake and further to sukhnai valley of kishtwar district.