The Aranmula Parthasarathy Temple is a Hindu temple located near Aranmula, a village in Pathanamthitta District, Kerala, South India. It is dedicated to the Lord Krishna, an avatar of Vishnu, who is worshipped as Parthasarathy. Constructed in the Kerala style of architecture, it is one of the "Divya Desams", the 108 temples of Vishnu revered by the Alvar saints.

The Aranmula Boat festival is the oldest river boat festival in Kerala, the southwestern State of India is held during Onam (August–September). It takes place at Aranmula, near Sri Parthasarady Temple dedicated to Lord Krishna and Arjuna in Pathanamthitta district of Kerala State. The snake boats move in pairs to the rhythm of full-throated singing and shouting watched by an exciting crowd. In 1972, snake boat races were also added to the program of the festival, hence the name Aranmula Boat Race. Thousands of people gather on the banks of the river Pampa to watch the snake boat races. In 2019 Fifty Two snake boats or Palliyodams had participated in the festival. The oarsmen sing traditional boat songs Vanchippattu and wear white mundu