The Nonawaruni Mahathwaruni temple comes alive during festival celebrations, which are an integral part of its cultural heritage. The temple observes various festivals throughout the year, including the annual "Nonawaruni Mahathwaruni Festival," which attracts thousands of devotees. The festivities include processions, music, dance, and traditional performances, all aimed at glorifying the divine.
Vijaya Nandasiri, Sanoja Bibile, Kusum Renu, Jayasekara Aponsu, and Granville Rodrigo. Notable Contributors: The late actor Granville Rodrigo Nonawaruni Mahathwaruni - -