Mathew Makil and is a pilgrimage center.
However, the most famous Christian church in the district of Kottayam is St Mary's Jacobite Syrian Church in Manarcad. It is known for its celebration of the ancient practice of the 8 Day Lent and the Feast of Virgin Mary's Birth between September 1 and 8 every year. During the days of the lent, hundreds of thousands of people from the far corners of the world reach Manarcad to seek the blessings of Virgin Mary. Manarcad cathedral is one of the most important churches among the ancient churches of Malankara. It has stone inscriptions which were found to be memorial stones from tombs set up in 910 A.D. and 920 A.D. and this indicates that the church is almost a 1,000 years old. There are 3 Ancient Anglican Churches in Manarkadu,Veloor,Kumarakom.
Kottayam is the headquarters of the Diocese of Madhya Kerala of the Church of South India. The Diocese, which has the tradition of the CMS missionaries, runs several educational and social institutions like the CMS College and the C.M.S. Press in Kottayam. The Diocesan Office and its Bishop's House is at Kottayam. The Holy Trinity CSI Cathedral of the Diocese is in Kottayam.
Thazhathangady Juma Masjid, situated in the banks of river Meenachil, in Kummanam, is one of the oldest mosques in India and is more than 1,000 years old, famous for its architectural beauty, and richness in wood carvings. This mosque was constructed by the followers of the Islamic prophet Muhammad during one of their first voyages to Kerala
