Ramanathaswamy Temple (Irāmanātasvāmi Kōyil) is a Hindu temple dedicated to the god Shiva located on Rameswaram island in the state of Tamil Nadu, India. It is also one of the twelve Jyotirlinga (pillar of light) temples. The temple was expanded during the 12th century by Pandya Dynasty, and its principal shrines sanctum were renovated by Jeyaveera Cinkaiariyan and his successor Gunaveera Cinkaiariyan of the Jaffna kingdom. The temple has the longest corridor among all Hindu temples in India.

The presiding deity, the Lingam of Ramanathaswamy (Shiva), is believed to have been established and worshiped by Rama.

The temple has striking long corridors in its interior, running between huge colonnades on platforms above five feet high. The outer set of corridors is reputed to be the longest in the world, measuring about 6.9 m in height, 400 feet (122 m) each in the east and west and about 640 feet (195 m) in the north and the south. The inner corridors are about 224 feet (68 m) each in the east and the west and about 352 feet (107 m)each in the north and the south. Their width varies from 15.5 feet (4.4 m) to 17 feet (5.2 m)in the east and west about 172 feet (52.4 m) on the north and south with width varying 14.5 feet (4.4 m) to 17 feet (5.2 m).The total length of these corridors is thus 3850 feet (1173.8 m). There are about 1212 pillars in the outer corridor. Their height is about 30 feet (9.1 m) from the floor to the center of the roof.

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