The district's calendar is marked by vibrant, unifying festivals.
* **Vaikom Ashtami**: A massive, vibrant festival held at the Vaikom Mahadeva Temple in November/December, featuring classical music and elephant processions. * **Ettumanoor Ezharaponana**: Celebrated in February/March, this temple festival is famous for the display of "seven-and-a-half" golden elephants. * **Erumely Petta Thullal**: A unique, joyous ritual dance performed by Sabarimala pilgrims in January, symbolizing the triumph of good over evil. * **Feast of St. Alphonsa**: Held in July at Bharananganam, drawing thousands of devotees seeking blessings. * **Thirunakkara Arattu**: A prominent 10-day temple festival in the heart of Kottayam town featuring traditional percussion and cultural performances.