Lighthouse # 004, Cobourg East Pierhead, Lake Ontario, Canada, 2022Height 12. 19 metres (40 ft) Geographic position 4357'07. 2"N 7809'54. 0"W Elevation on earth 246 ft Cobourg Lighthouse was built in 1844 as part of the Cobourg Harbour project, which was an important infrastructure development for the town of Cobourg. The project was initially undertaken by the Cobourg Harbour Company, which was formed in 1829 by a group of prominent businessmen. The company built two piers and turned a lakeside marsh into a proper