Siddha cave
Siddha Cave or Siddha Gufa is a cave located in Bimalnagar, Tanahun District, Nepal. It is the largest cave in Nepal and second largest cave in South Asia. It's around 0.5 kilometer inside and around 2,500 people can fitt inside. If you would like to go over Siddha Cave then you have to vehicle from Kathmandu on Prithvi Highway which will take around 4 hours to Bimalnagar, then you have to walk up hills on steps. It will take around 1.5 hours from Bimalnagar to reach to Cave.
