Sathuragiri Hills (சதுரகிரி; caturakiri), also known as "Chathuragiri" or "Sundara Mahalingam", is a pilgrimage site located 10 km from Watrap, near Srivilliputhur, in the state of Tamil Nadu in South India. The hills are a part of the Western ghats. There are a few specific days when the general public is permitted to visit the Sathuragiri Hills. These days include new moon and full moon days and on two Pradhosham days . Visiting hours are between 6 a.m. and 4 p.m.