Belum Caves in kadapa

More than million years old, Belum Caves is the longest caves in the Indian Subcontinent. The 3229-meter long caves rank second in the list of largest caves found in the subcontinent. The presence of the cave here was discovered by Robert Bruce Foote, a British surveyor in the year 1884. The cave was explored extensively by H. Daniel Gabauer and his team of speleologists from Germany. The deepest point of the cave from its entrance lies at 150 feet beneath, which is called Pataalaganga.