Rameswaram , is a town and a second grade municipality in the Ramanathapuram district in the South Indian state of Tamil Nadu . It is located on Pamban Island separated from mainland India by the Pamban channel and is about 50 kilometres from Mannar Island , Sri Lanka. It is situated in the Gulf of Mannar , at the very tip of the Indian peninsula. Pamban Island, also known as Rameswaram Island, is connected to mainland India by the Pamban Bridge . Rameswaram is the terminus of the railway line from Chennai and Madurai . Together with Varanasi , it is considered to be one of the holiest places in India to Hindus , and part of the Char Dham pilgrimage. According to Hindu mythology, this is the place from where the Hindu god Rama built a bridge, across the sea to Lanka to rescue his wife Sita from her abductor Ravana . The R...