Édifice Marie-Guyart

The Édifice Marie-Guyart, previously and still commonly known as Complexe G, is a 33-storey, 132 m (433 ft) office skyscraper completed in 1972 in Quebec City, Quebec, Canada. The brutalist style tower is the tallest building in the city, as well as the tallest building in Canada east of Montreal. Situated in the Parliament Hill borough, the building houses most notably the Ministry of Education, Recreation and Sports, the Ministry of Sustainable Development, Environment and Parks, as well the Observatoire de la Capitale observation deck.

Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).