Ettumanoor Mahadeva Temple is an antiquated Shiva sanctuary in Kottayam, Kerala, India. It has conveyed wonder and notoriety to the place. Fantasies have it that the Pandavas and the sage Vyasa had revered at this sanctuary. The name of the place has its source from the word 'manoor', which implies the place where there is deer. The sanctuary is one of the real Shiva sanctuaries in Kerala tallied alongside the Shiva sanctuaries of Chengannur Mahadeva Temple, Kaduthruthy Mahadeva Temple, Vaikom Temple, Ernakulam Shiva Temple and Vadakkunathan sanctuary. Ettumanoor Mahadeva Temple has the arattu celebration celebrated on a fabulous scale on the Thiruvathira day in February– March each year.
The present sanctuary working, with its gopuram and the post around it, was recreated in 717 ME 1542 AD. There are Dravidian wall painting works of art on the dividers inside and outside of the primary passageway. The fresco of Pradosha Nritham Dance of Shiva is one of the best Wall works of art in India. There is brilliant banner staffs inside the sanctuary. On its highest point is the icon of a bull encompassed by little chimes and metal leaves of the banyan tree and regarding design this sanctuary emerges to be an extreme testimant for the vishwakarma Sthapathis, for their building abilities.