Aansoo Lake derives its name from its peculiar shape. "Aansoo" in Urdu language means "Tear Drop", which is exactly how it is shaped.

It is a beautiful lake and can be seen at a distance of about 4 hours hike/ walk from Lake Saif-ul-Muluk near Naran Town in Kaghan Valley. You can also visit the lake on horse backs from Lake Saif-ul-Muluk.