Belum caves are the second largest natural caves in Indian Subcontinent after Krem Liat Prah caves in Meghalaya, and also most visited along with a trip to Gandikota in Andhra Pradesh. Well, the eastern part of Andhra also has one more cave formations to explore and is called as Borra Guhalu locally or Borra caves in English. This Natural wonder is very much in the proximity of Araku Valley in Vishakhapatnam explicitly exhibiting various forms, shapes and sizes of speleothems. The caves are made up of karstic limestone structures in majority that extends to a stretch of 80 m (262.5 ft) because of which it is considered the deepest cave of India. The surrounding hill tracts are inhabited by the local tribes named Jatapu, Porja, Kondadora, Nookadora etc.
THE ARTISTIC CAVES OF BORRA(ANDHRA) One of the largest of its kind in India, the Borra Caves in the northern coastal region of Tamil Nadu come into sight around the Araku Valley at a remarkable 800-1,300m above sea level. The excavation spreads across one square km and is also the origin of the river Gosthani which flows through the district. Best time to Visit: Enjoy the limestone formations dripping and rising as arsty stalagmites and stalactites amid the hilly terrains, beautiful landscapes and the semi-evergreen moist deciduous forests during the monsoon and the winter.