This ancient monastery is about 6km from the Panama village.

This place had been hidden and unattended due to the thick forest and the poor road way. Now you can reach there on a gravel road.

The history of Mani Naga Pabbatha Viharaya which goes back to the time of the first King of Ruhuna, King Mahanaga, You can see the ruins of an incomplete Stupa and few scattered granite pillars. On top of the hill where you can climb through the stairway on the rock, you can see ruins of three Stupas and there are several caves with Brahmian inscriptions indicating that the area was first presented to meditating monks. There are fainted paintings in caves and there could be many more to be discovered.