Sonwa Mandap is an open-air pavilion in Mirzapur district of Uttar Pradesh, India.
[3] An engraving on its mehrab is believed to be filled with gold.
Sonwa Mandap has four gates and a tunnel at the front yard of the building.
that in 1333 AD, princess Sonwa, daughter of Sandeva, a Nepali king, came here frequently to take baths in the Ganga River through this tunnel.
Bhartri Nath's samadhi is located at the back of this monument[by whom?]