Nilakkal Mahadeva Temple is situated about 15 KM east of Pampa is the oldest temple in this place. During Sabarimala pilgrimage, lots of devotees visit the temple.
Nilakkal Mahadeva Temple was founded in the year 1946. It is believed that Lord Ayyappa on his way to forest to eradicate the demon got the blessings from his father Haran from Nilakkal Mahadeva Temple.
Pilgrims on their way to Sannidhanam seek the blessings from Nilakkal Mahadeva Temple.The deity here is believed to be in two moods fierce Ugramoorthy and auspicious Mangala Pradayakan.
It is also believed that Lord Siva showered blessings to his son lord Ayyappa to fight against all evil spirit and save the people. There is also a Devi temple (Palliyarakkavu devi kshetram) near to Shiva temple. Lord Parameshwaran, Lord Kannimoola Ganapathi and Nandi are the three Prathishtana here.