Thonnal Devi temple is located at Pallipuram on the Kazhakootam – Attingal road in Thiruvananthapuram district, Kerala. The shrine is dedicated to Goddess Durga and is also known as Pallipuram Thonnal Devi temple.
The pratishta murti here is that of Goddess Durga in a peaceful Mahishasuramardini form. The vigraham here is unique as the technique used for consecration is the Kadu Sharkara Prayogam.
The height of the murti (moola bimbam) at Thonnal temple is nearly 10 feet including the peedam. The vigraham has eight hands.
The darshanam of Thonnal Devi temple is towards east. The Upa Devatas worshipped in the temple are Shiva, Ganapathy, Nagaraja and Nagayakshi.
The main offering in the temple is milk, sugarcane, honey and Mathala Naranga (big lemon).
As per history, the temple was given to Chittor Namboothiri as daanam (charity). As per some scholars the temple was built by the Travancore kingdom.
As per local legend, the members of the Travancore family including the king used to travel to Attingal Tharavadu Kavu for Ariyittuvazhcha ritual every year. The road took by the family used to pass through the present day Thonnal Devi temple. During one such visit, the horse carriage used by the king got damaged at the present Thonnal temple. The king had a dream that night in which it was revealed that the place where the horse carriage stopped has the presence of Goddess Shakti. The king later built a temple there.