Rameswaram, is town 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 Lankato rescue his wife Sita from her abductor Ravana. The Ramanathaswamy Temple dedicated to the Hindu god Shiva is located at the centre of the town and is closely associated with Rama. The temple along with the town is considered a holy pilgrimage site for both Shaivites and Vaishnavites. Rameswaram is the closest point to reach Sri Lanka and geological evidence suggests that the Adam's Bridge was a former land connection between India and Sri Lanka.