Ganegoda Katharagama Dewalaya is a significant historical site situated between the Mahaweli River and the Nillambe Stream in the Gampaha District, Sri Lanka. The Devalaya was built during the Gampola era and is associated with the Kandyan period. It stands amidst a paddy field on a beautiful plateau. Dikgeya - The outer chamber, Antharalaya - The inner chamber, Garbha Vimanaya - The sanctum, Atuwa - The kitchen, Palle Devalaya - A subsidiary shrine are the composite structure of the Dewalaya. It's believed that King Kirthi Sri Rajasinghe offered his golden head ornament and jewelry box to this temple. The temple holds cultural and religious importance, and its serene surroundings make it a peaceful place to visit. Legends connect it to significant events, including a vow taken by King Rajasinghe II before the Battle of Gannoruwa against the Portuguese invaders.