Pathanamthitta Dharmasastha temple is located atop small hill in the heart of Pathanamthitta town in Kerala. The temple is dedicated to Ayyappa or Sastha. The annual festival in the temple is held on Uthram nakshatra day in Meena Masam (March – April).
This is a traditional Kerala temple with a chathura sreekovil. A padmasana posture murti of Ayyappa is worshipped here. The temple has shrines of upa devatas.
The annual festival in the temple is famous for ezhunnallathu and melam. The temple is decorated with lights and lamps on the occasion.
The annual Mandala Makaravilakku kalam is an important occasion in the temple.