Mattil Sastha temple is located around 2 km southwest of Varandarappilly on Amballur – Varandarappilly road in Thrissur district, Kerala. The temple is one among the 108 Ayyappa temples in Kerala. The shrine was known as Malamoottil Sastha in ancient times.
The Ayyappa worshipped in the temple is Bala Swaroopam (child form). The square sanctum sanctorum (Chathura Sreekovil) faces east. The Upa Devata worshipped in the temple is Ganapathy.
The belief is that Mattil Sastha is the guardian deity of Thottippal Bhagavathy.
As per history, Mattil Sastha was the upsaana murti of Changaram Kotha Karthas. Another belief is that the deity was a Kalari Devata.
The shrine participates in the famous Arattupuzha pooram. The next day of pooram is observed as Uthram vilakku in the temple.
The shrine is the keezhedom of Areshwaram Temple.