Old Colombo Lighthouse or Colombo Fort Clock Tower is a clock tower and was a lighthouse in Colombo. The lighthouse is no longer operational, but the tower remains and functions as a clock tower. It is located at the junction of Chatham Street and Janadhipathi Mawatha (formerly Queens Road) in Colombo fort. The tower was constructed as a clock tower in 1856-57 and completed on the 25 February 1857. The tower was designed by Emily Elizabeth Ward, the wife of Governor Sir Henry George Ward (1797 – 1860).

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