This is a list of the tallest buildings in the Ottawa-Gatineau urban area that are over 90 m (295 ft) tall. Despite its size, Ottawa-Gatineau does not have many skyscrapers that exceed compared to other large Canadian cities. Until 1965, buildings in Ottawa were limited to 45.5 metres (149 ft) so that the tall Peace Tower at the centre of the Parliament Buildings could dominate the skyline. The National Capital Region has a complicated system of protected view planes that are governed by the National Capital Commission and adhered to by the City of Ottawa and Ville de Gatineau. Protected view planes limit the height of buildings in certain areas of the downtown cores of Ottawa and Gatineau to protect the prominence of the Canadian Parliament Buildings. The tallest building in Ottawa-Gatineau is the 45-storey, tall Claridge Icon, which is located in Little Italy. The tallest building approved for construction in Ottawa-Gatineau is the 65-storey, tall Trinity Station Tower 1, part of the three-tower Trinity Centre at Bayview Station project in Bayview Yards. Tallest buildings in Ottawa-Gatineau This list ranks buildings in Ottawa-Gatineau that stand at least tall, based on CTBUH height measurement standards. This includes spires and architectural details but does not include antenna masts. Projects Under construction This is a list of buildings under construction that will rise to over 90 m (300 ft) tall. Approved This is a list approved buildings that are planned to rise to over tall. Proposed This is a list of proposed buildings that are planned to rise to over tall. See also List of buildings in Ottawa List of tallest buildings in Canada List of tallest buildings in Ontario List of tallest buildings in Quebec Canadian Centre for Architecture Society of Architectural Historians Canadian architecture References External links Skyscraperpage Emporis.com Ottawa-Gatineau Buildings, tallest Tallest buildings in Ottawa