The Parthasarathi Temple (dedicated to Sree Krishna) on the banks of the holy river Pamba attracts large crowds of devotees. The famed Arnamula boat race is held on the last day of the week long Onam festival. The Vijnana Kaladevi at Arnmula impart straining in the traditional arts like Kathakali, classical dances, classical music, as well as Kalaripayattu. Foreign tourists stay here for long periods to get a first hand knowledge of the culture of Kerala. The Parthasarathi Temple here has fine murals from the 18th century.

Arnmula Boat Race: This famous water fiesta is held during Onam (August-September). The snake boats assemble near the Sri Parthasarathy Temple before the grand procession. Each boat is 100 ft. long and accommodates 4 helmsmen, 100 oarsmen and 25 signers. The snake boats move in pairs to the rhythm of full throated singing and shouting, watched by an excited crowd.
 

The another main attraction is Aranmula Mirror. Aranmula Mirrior carved and polished out of a special metal is unique and world famous