Kans Quila (Fort), Mathura: Kans Qila is one of the historical monuments of Mathura. This is located on the northern bank of river Yamuna. The fort is now in a dilapidated condition due to improper maintenance. This is near Saraswati Sangam Ghat. Kans Qila is also called as Old Fort or Purana Qila of Mathura.