Belum Caves is one of the best place to visit near Kurnool. According to the info, these are the caves formed by flowing of water.
There are several passages which are still not cleared and closed as well due to Natural Dangers like heavy rain. It takes almost 2-3 Hrs and 2-3 Kms walk for completing Belum Caves.
According to the look names are also given to the Halls, Formations and more. One can hire a guide and know more about the caves.