One of the best Catholic Syrian Churches in Alleppey district of Kerala is the St. Marys Syro Malabar Catholic Church where you can throw a glance at various rock inscriptions and ancient artefacts, giving a brief idea about the history of the church. It's a Forane Church which is under the archeparchy of Changanacherry, including several communities under it.
It is believed that the church was established in the year 427 AD and rebuilt several times. There is an ancient open air Rock Cross at Champakulam Church. It is believed that this church was once under Niranam Church, which was established by the Apostle Saint Thomas.
There are many holy celebrations like Easter, Good Friday, Christmas, etc. that are celebrated with great fun and joy. Apart from all these there are two main feasts celebrated every year here. The first one is Feast of Mother Mary/ Marian Apparition which lasts for 11 days of pious celebrations and finishes on Sunday following 15 October. The second one is commemoration of the death of St. Joseph which is conducted every year on 19th March.