Punarjini Guha (Natural Tunnel) :

Punarjini Guha, a natural tunnel in rocky cliff is 2 kms away from the Thiruvalla Temple; the deity of the temple is Sri Raman which is believed to be 'Swayambhoo' (Born on its own), and its abode is on the western side. On can reach this spot on foot trekking through the rugged hills. The narrow tunnel is about 15 meters long. People have a belief that if one crawls on the tunnel he is relived of sins and gifted with rebirth. Only men can crawl here, women are allowed once a year on Ekadeshi Day.

Jain Temple of Jainmedu :

Jain Temple of Jainmedu is located in Vadakkanthara village to the west of Palakkad town. This temple is 32 feet long and 20 feet wide granite temple. Jainism is survived in this region. The famous poet Kumaranasan wrote his monumental famous poem 'Veenapoovu' ('Fallen Flower) at this Jain house.
Thenari (Natural Spring)

The waters of Thenari Natural Spring is believed to be holy as once Sita Devi, wife of Rama drank water here. Legend says that one day on their exile days Sita felt thirsty and Rama using his bow created a spring to satiate Sita's thirst. A temple dedicated to lord Rama is located here.

The other religious centers of Palakkad are Kalpathi temple and Thrithala Shiva temple.