This mosque which is also known as the Red Mosque, is located to the north of the old square of Saveh.
It has been named as such because of its adornments and epigraphs. This structure is a remnant of the Saljuqi period, and comprises of a simple brick dome, a minaret, three porticos and a few porches.
It has a beautiful and valuable altar adorned with plasterwork and vaulted inscriptions. This altar has three inscriptions in the ‘Kufic’ script and ‘Tholth’ script. One of the ‘Kufic’ inscriptions, is white and the other is maroon in color. Its brick minarets date back to the 5th century AH. and the date 453 can be observed here.