Mamalassery Sree Rama Swamy temple is located at Mamalassery in Ernakulam district, Kerala. The temple is dedicated to Bhagavan Sri Ram. The 8-day annual festival in the temple ends with arattu on the Thiruvonam nakshatra day in Kumbha Masam.
The annual festival is unique as it is mulayittu utsavam. The main ritual during the annual festival is held on the second day known as Vishakam vilakku. The other important rituals and pujas during the festival period include Nakshatra nama kalasabhishekam, seeveli and Annadanam. Utsava bali is held on the fifth day. The festival concludes on the eight day with arattu at the arattu kadavu of Ramamangalam perumthrikkovil appan.
The temple is the starting point of Nalambalam darshan in Ernakulam district.
Mamalassery Sree Rama Swamy temple is a traditional Kerala style temple with an east facing deity. The temple has vatta sreekovil or round sanctum sanctorum with a chuttambalam and kodimaram. Thulabharam ritual is held in the temple. The huge walls of the temple are known as Anapillamathil.