Chengamanad Mahadeva temple is located at Chengamanad in Ernakulam district, Kerala. The 10-day annual festival in the temple is observed in such a manner that it ends with Arattu on the Thiruvathira nakshatra day in Dhanu month.
The sreekovil in the temple is round and the Shivling in the shrine is considerably big. The deity faces east. Goddess Parvati worshipped in the temple complex faces west.
The Upa Devatas in the temple are Vishnu, Ayyappa, Ganapathy, Bhadrakali and Sapta Matrikas.
The belief is that the temple was built by Cheraman Perumal for one of his wives.
The temple once belonged to 10 Illams including Azhvanchery Thamprakkal, Taliyil, Edapram Palli, Mezhuli, Padappa and Maramittathu.