At a distance of 37 Kms from Kalpetta, Thrissilery Shiva Temple is located at a distance of 8 Kms from Mananthavady, about 3 Kms from SH17D towards Tholpatti.
The architecture of this temple is similar to the Vishnu Temple at Thirunelly. It is believed that the performance of ancestral rites at Thirunelly remain unfinished unless followed by offerings at this temple. There is a shrine for Jala Durga in the temple premises, which is believed to have been installed by Parasurama. The temple tank here never dries up.