The celebrated Mahadeva Temple at Kottayam,
on the Thiruvakkara Hill at the very centre of the Kottayam Municipal
town is one of the important Siva temples, Famous for its historical
importance, antiquity and sanctity.
The grandest festival of this temple is
the "Arattu Utsavam" lasting for ten days from the 1st
Meenam (March-April) which is attended by hundreds of thousands
of people, irrespective of caste or creed.