The Tarsar Lake or Tar Sar is an almond-shaped, alpine lake.The Tarsar Lake is dominated by the peaks of the Kolahoi mountain. Another lake of the same nature known as Marsar Lake, Together these two lakes are referred to as the twin sisters.[4] The 16th-century Kashmiri ruler Yusuf Shah Chak mentioned the twin lakes in his poetry, writing to his beloved:Its believed that the tarsar saves 7 the Marsar Kills the colour of the lakes also have some significance as Tarsar lake is crystal clear with blue water while the marsar lake has dark green coloured water.
The trek to the lakes is accessible only during the summer (June to Sep) ; during the winter, the treks are closed because of the heavy snowfall.