Muttar Ayyappa Temple is the only Ayyappa Temple in Kerala where Ayyappa Pratishtha was performed with the blessings of Pandalam Royal Palace.
The festival here is on Uthram day in Pisces( Meenam) which is Sabarimala festival day.
Three days of Thanga Angi Darshan in a year and Maha Shanishwara Puja on the first Saturday of the month make Muttar Ayyappa Temple world famous.
It has been proved in Deva Prashana that there was a Shaiva Vaishnava temple here centuries ago. It is said that the then existing temple of Lord Shiva and Lord Narasimhaswamy extended up to Pandalam Junction. The ancient Sthanams around the temple are still known in many temple names, including the temple still standing. In all the major special festivals of the temple, Deeparadhana (lamp worship) with Thanga angi is celebrated.
Utram Mahotsavam in Pisces , Vishu mahotsavam in Aries and 41st day which marks the end of 'Mandala Chirap' are three special festivals in this temple.Lots of devotees from far and wide come to Muttar Ayyappa Temple to see Thanga Anki Darshan and offer blessings.