Madareshwar Shiva Temple is located on the eastern part of Banswara inside a natural cave on a hill. This famous temple of Lord Shiva is situated inside the natural cave of a high hill on the eastern part of the city. It presents a sensational natural view.

The cave temple provides an Amarnath Yatra like feeling to the pilgrims, due to its typical location.  During Maha Shivratri, Rudra abhishek Pooja is carried out. Kavadi Yatra starts from this temple to Baneshwar Temple by walk to bring the Water of Mahi and puja is carried out from that water to Lord Shiva.

Source:

http://banswara.nic.in/e_madar.htm