Vyttila Sri Shiva Subramanya Swayambhoo temple is located at Vyttila in Ernakulam district, Kerala. The shrine is dedicated to Shiva and Subramanya and both the deities have equal importance. The murti of Subrahmanya is swayambhu or of divine origin (untouched by humans) and this is a rarity.
The annual Thaipooyam festival in Makaram month (January – February) is of great significance in the temple. Another important festival is the Mahashivratri. The annual festival in the temple is held in Kumbham month.
The temple observes its Thalappoli festival in Makaram month.
The temple has two separate square sanctums or chathura sreekovil dedicated to Shiva and Muruga or Subrahmanya.
Some beautiful sculptures can be seen on the walls of the temple. The shrine also has a kodimaram or flagpost. There is also a huge banyan tree in the compound. A temple pond completes this beautiful temple.
Sashti day falling during waxing phase of moon or after Amavasya is of great importance in the temple. Another important day is the pradosham observed on the 13th day of a fortnight.
The Upa Devata worshipped in the temple is Sastha and Goddess Bhagavathi (Devi).