Perumal Malai: 36 kms. The Prasanna Venkatachalapathi temple is situated on a hillock called Perumal Malai near the village Thurayur. This Vaishnava temple belongs to the 16th century constructed by the Nayaka kings. The temple can be reached by climbing the 1532 steps from the foot of the hill. A motorable ghat road has also been laid to the top. In the temple, The Dashavatharam Mandapam is the most beautiful hall containing magnificent sculpture of all the ten incarnations of Maha Vishnu in life size figures. There is a rare set of 32 musical pillars which emit different notes when gently tapped. This is the largest collection of such musical pillars in this part of the country. From the hill top, a beautiful view of the surrounding hills and the enchanting plains below can be seen.