About Naipena Cave
This a cave in Sigiriya named Naipena Guhava (The Cobra Head Cave).Naipena Cave This is found while climbing Sigiriya. This is located near the Deraniyagala cave. It is 100feet height cave and this is a stone shaped like a snake's foam.It is said that Sita was held captive in this cave by King Ravana.
The part that was broken or fractured to make this snake foam was as large as three hundred square feet.