Patal Bhuvaneshwar Temple in Pithoragarh

As referred in its name Patal (underground) Bhuvneshwara is an underground temple of Lord Shiva is situated at approx 16 km away from Gangolihat at a height of approx. 1350 m. above sea level at the village Bhuvneshwar of tehsil Didihat, Pithoragarh, Uttarakhand, India.
As per the ancient beliefs, when Kaliyanag was defeated by Lord Krishna in Yamuna, he ran away to the north side and stayed here in the cave. Also in ancient times, the area was ruled by the Naga (snake) communities. The copper mines of Patal Bhuvneshwar so much attracted to the head of snakes, Sheshnaag to make this place his abode.
Current scenario
It is believed that the cave temple is the abode of thirty three crore deities. To reach the temple, the pilgrims have to go through a tunnel shaped cave which is very narrow after which the main passage comes which opens into multiple small caves decorated with stone carvings of traditional Lords and Goddesses.  At the first floor, there is abode of Sheshnaga, the king of snakes. There is a naturally made shivalinga.