Chadayamangalam Mahadeva temple is located at Chadayamangalam on Kottarakkara – Kilimanoor road in Kollam district, Kerala. The shrine is dedicated to Shiva. The darsahanam of Chadayamangalam Shiva temple is towards east.
The Upa Devatas worshipped in the temple are Ganapathy, Nagam and Jatayu.
The 10-day annual festival is observed in Meenam month. Another important festival here is the Mahashivratri.