Arjuna’s penance and Ganga’s descent Arjuna’s Penance or Descent of Ganga is the name of a monument in Mamallapuram. The sculptures on this huge rock narrate two mythological episodes.

Arjuna's Penance site measuring 96 feet in length and 43 feet in height, this magnificent carving is believed to depict the legend of Arjuna performing penance to obtain Lord Shiva’s divine weapon.