Muringamangalam Shiva temple, also known as Mahadeva or Mahadevar temple, is located at Ayravon near Konni in Pathanamthitta district, Kerala. The sankalpam of Shiva here is that of Keeratamurti. The annual Mahashivratri festival is of great importance in the temple.
The darshanam of Muringamangalam Mahadeva is towards east. The temple has a round sanctum sanctorum – vatta sreekovil.
The Upa Devatas worshipped in the temple are Ganapathy, Nagas, Sri Krishna, Sastha and Girimurti (Maladaivam).
The shrine belonged to Pandalam Kovilakam.