Reservoir Hole high and long. Prior to the discovery, the largest void under the Mendip Hills was thought to be "Main Chamber" in GB Cave, which is high. Before the find in 2012, the cave was already noted for a number of fine formations, and the newly discovered chamber, which has been named “The Frozen Deep”, contains pure-white pillars tall, as well as many stalagmites and stalactites. The possibility of a connection between Reservoir Hole and Gough's Cave, one of the show caves in Cheddar Gorge, has been raised, as the two caves are in close proximity. The stream in Reservoir Hole
Borra Caves which provide views of the formations. The Araku valley, a hill station about from the Borra Caves, is also a tourist attraction for people visiting the caves. November and December are ideal months to visit the caves. Borra Caves The Borra Caves, also called "Borra Guhalu", are located on the East Coast of India, in the Ananthagiri hills of the Araku Valley (with hill ranges' elevation varying from ) of the Visakhapatnam district in Andhra Pradesh. The caves, one of the largest in the country, at an elevation of about , distinctly exhibit a variety of speleothems ranging in size