List of tallest structures in Canada

This is a list of the tallest one hundred structures in Canada, measured from the base to the tallest point. Which may be the roof top, antenna, spire, mast or as in the case with smokestacks and bridges, the highest structural point.
This list includes buildings, towers, transmission towers, chimneys, bridges and oil platforms.
There is a separate list for guyed masts since their heights are not fully verifiable and may be inaccurate by several metres; i.e. - several are measured to the height of the tallest transmitter on the mast, but this is not necessarily the tallest point of the tower.
The pinnacle height and roof height numbers are sourced from Skyscraperpage and/or the CTBUH. Where there is a conflict in the figures both heights are listed.

Tallest 100 structures in Canada (not including guyed masts)

Rank	Name	Location	Pinnacle height	Roof height	Floor count	Year completed	Image
1	CN Tower	Toronto, Ontario		n/a	147	1976
2	Inco Superstack	Sudbury, Ontario		n/a	n/a	1972
3	First Canadian Place	Toronto, Ontario	antenna		72	1975
4	Commerce Court West	Toronto, Ontario	antenna		57	1972
5	Hebron platform	Grand Banks of Newfoundland			n/a	2017

Timeline of the tallest structures in Canada

Timeline of the tallest freestanding structures in Canada:

Years	Name	Location	Pinnacle height	Floor count	Structure type	Image
1841–1874	Notre-Dame Basilica	Montreal, Quebec		n/a	Church bell tower
1874–1899	St. James Cathedral	Toronto, Ontario		n/a	Church bell tower
1899–1917	Old City Hall	Toronto, Ontario		n/a	City Hall clock tower
1917–1928	INCO Port Colborne Nickel Smelter Chimney #1	Port Colborne, Ontario		n/a	Smokestack
1928–1929	Tour de la Banque Royale	Montreal, Quebec		22	Building
1929	Fairmont Royal York Hotel	Toronto, Ontario		28	Building
1929–1952	INCO Nickel Smelter, Brick Chimney	Sudbury, Ontario	500 ft	n/a	Smokestack
1936–1948	INCO Copper Smelter, Stack	Sudbury, Ontario	500 ft	n/a	Smokestack
1937–1948	INCO Port Colborne Nickel Smelter Chimney #2	Port Colborne, Ontario	500 ft	n/a	Smokestack
1948–1954	Cambridge Bay LORAN Tower	Cambridge Bay, Nunavut		n/a	Lattice tower
1954–1967	INCO Copper Cliff Nickel Refinery, Stack	Sudbury, Ontario		n/a	Smokestack
1967–1972	Toronto-Dominion Centre	Toronto, Ontario		56	Skyscraper
1972–1976	Inco Superstack	Sudbury, Ontario		n/a	Smokestack
1976–present	CN Tower	Toronto, Ontario		n/a	Tower

Timeline of the tallest structures overall in Canada:

Years	Name	Location	Pinnacle height	Floor count	Structure type	Image
1841–1874	Notre-Dame Basilica	Montreal, Quebec		n/a	Church bell tower
1874–1899	St. James Cathedral	Toronto, Ontario		n/a	Church bell tower
1899–1917	Old City Hall	Toronto, Ontario		n/a	City Hall clock tower
1917–1928	INCO Port Colborne Nickel Smelter Chimney #1	Port Colborne, Ontario		n/a	Smokestack
1928–1929	Tour de la Banque Royale	Montreal, Quebec		22	Building
1929	Fairmont Royal York Hotel	Toronto, Ontario		28	Building
1929–1937	INCO Nickel Smelter, Brick Chimney	Sudbury, Ontario	500 ft	n/a	Smokestack
1936–1937	INCO Copper Smelter, Stack	Sudbury, Ontario	500 ft	n/a	Smokestack
1937–1954	CBL Hornby AM Transmitter	Toronto, Ontario	640/650 ft 198 m	n/a	Guyed mast
1954–1955	CICT-DT TV Tower 1	Calgary, Alberta	670 ft 204 m	n/a	Guyed mast
1955–1960	CKNX Television Tower	Wingham, Ontario		n/a	Guyed mast
1960–1965	CHCH Television Tower	Stoney Creek, Ontario		n/a	Guyed mast
1965–1976	Cape Race LORAN-C transmitter	Cape Race, Newfoundland		n/a	Guyed mast
1973–1976	CKX-TV Craig Television Tower	Hayfeild, Manitoba		n/a	Guyed mast
1976–present	CN Tower	Toronto, Ontario		n/a	Tower

Tallest structure by province

Province	Name	Height	Structure	Image
Ontario freestanding	CN Tower	553 m	Tower
Newfoundland	Cape Race LORAN-C transmitter	411.48 m	Guyed mast
Manitoba	CKX-TV Craig Television Tower	411.48 m	Guyed mast
Quebec	CBC Tower	371 m	Guyed mast
Saskatchewan	CFRE-DT Television Tower	300 m	Guyed mast
Manitoba freestanding	Flin Flon Smelter chimney	251 m	Smokestack
Quebec freestanding	CIBC Tower	250 m	Skyscraper and antenna
Alberta	CICT-TV Tower 1	250 m	Guyed mast
Alberta freestanding	Stantec Tower	250.8 m	Skyscraper
Newfoundland freestanding	Hebron Platform	278 m	Oil platform
British Columbia freestanding	Living Shangri-La	201 m	Skyscraper
New Brunswick freestanding	Coleson Cove Generating Station, chimneys	183 m	Smokestack
Nova Scotia freestanding	Tufts Cove Generating Station, Trenton Generating Station & Lingan Generating Station, chimneys	152 m	Smokestack
Saskatchewan freestanding	Shand Power Station, chimney	148 m	Smokestack
Prince Edward Island freestanding	Charlottetown Thermal Generating Station, chimney	68.95 m	Smokestack

Tallest 20 guyed masts/antennas in Canada

Rank	Name	Location	Height	Year completed
1	CKX-TV Craig Television Tower	Hayfield, Manitoba		1986
2	CHCH Television Tower	Stoney Creek, Ontario		1960
3	CHCH-DT-3 Television Tower	Midland, Ontario
4	Starbuck CBC Tower	Winnipeg, Manitoba		?
5	CIII Television Tower	Paris, Ontario		1974
6	CFPL Television Tower	London, Ontario		1961
7	CICITV Broadcasting Tower	Sudbury, Ontario
8	CJSD Broadcasting Tower	Shuniah, Ontario
9	CIII-TV-2/GLOBAL TV Tower	Bancroft, Ontario
10 tie	CKVR Television Tower	Barrie, Ontario		1978
10 tie	CHEX Television Tower	Peterborough, Ontario
11	CKCO-42 Television Tower	Oil Springs, Ontario		1975
12 tie	CHCH-51 Television Tower	Alvinston, Ontario		1998
12 tie	Communication Hill, CBC Tower	London, Ontario
12 tie	CFRE-DT Television Tower	Regina, Saskatchewan
13	Weyburn Television Tower	Weyburn, Saskatchewan
14	Woodstock Television Tower	Sweaburg, Ontario		1986
15	CKCO Television Tower	Baden, Ontario		2000
16	TVO London Tower	London, Ontario	902 ft.	1975
17	Cape Race LORAN-C transmitter	Cape Race, Newfoundland		1993
18 tie	CICT-TV Tower 1	Calgary, Alberta		1954
18 tie	CICT-TV Tower 2	Calgary, Alberta		1954
19	CKNX Television Tower	Wingham, Ontario		1955
20	SRC Kitchener Tower	St. Agatha, Ontario
21	Ryan Tower	Chelsea, Quebec		1968
22	Hwy 46, CBC Transmitter	Regina, Saskatchewan
23	Fox Harbour LORAN-C transmitter	St. Lewis, Labrador		1983

Tallest 50 smokestacks/chimneys built in Canada

Rank	Name of Facility	Location	Height in feet and meters	Construction material	Type of facility	Current status	Flue diameter	Year completed	Image
1	Inco Superstack	Sudbury, Ontario		Concrete	Smelter	Demolition to commence in 2020.	13.7	1972
2	Flin Flon Smelter, Stack	Flin Flon, Manitoba		Concrete	Smelter	Unused		1973
3	Hearn Generating Station, Stack	Toronto		Concrete	Power plant	Unused		1971
4	Wesleyville Generating Station, Stack	Wesleyville, Ontario		Concrete	Power plant	Unused		1970s
5 tie	Nanticoke Generating Station, Stack 1	Nanticoke, Ontario		Concrete	Power plant	Demolished in 2018	10.98	1972
5 tie	Nanticoke Generating Station, Stack 2	Nanticoke, Ontario		Concrete	Power plant	Demolished in 2018	10.98	1974
5 tie	Lennox Generating Station, Stack 1	Bath, Ontario		Concrete	Power plant	In use	7.3	1976
5 tie	Lennox Generating Station, Stack 2	Bath, Ontario		Concrete	Power plant	In use	7.3	1976
5 tie	Thunder Bay Generating Station, Stack	Thunder Bay, Ontario		Concrete	Power plant	In use	4.3	1984
10	Copper Cliff Nickel Refinery, Stack	Sudbury, Ontario		Concrete	Smelter	In use	9.1	1954
11	Ashbridges Bay Wastewater Treatment Plant, Sludge Incinerator Stack	Toronto		Concrete	Incinerator	In use		1977-79
12 tie	Coleson Cove Generating Station, FGD Stack	Lorneville, New Brunswick	600 ft	Concrete	Power plant	In use	4.87	2001
12 tie	Coleson Cove Generating Station, 1st Stack	Lorneville, New Brunswick	600 ft	Concrete	Power plant		4.87	1977
12 tie	Syncrude Mildred Lake, Main Stack	Mildred Lake, Alberta	600 ft	Concrete	Oil refinery	In use	7.9
15 tie	Lambton Generating Station, Stack 1	Corunna, Ontario	557 ft or 550 ft	Concrete	Power plant	Unused	7.49	1969-70
15 tie	Lambton Generating Station, Stack 2	Corunna, Ontario	557 ft of 550 ft	Concrete	Power plant	Unused	7.49	1969-70
17	Holcim Mississauga Cement Plant, Stack	Mississauga, Ontario		Concrete	Cement plant	In use	3.96	1956
18	Belledune Generating Station, Stack 1	Belledune, New Brunswick	554 ft or 551 ft	Concrete	Power plant	In use	6.86	1991
19	Dalhousie Generating Station #2, FDG Stack	Dalhousie, New Brunswick	551 ft	Concrete	Power plant	Demolished in 2015	6.45	1993
20 tie	Noranda Inc. Gaspe Site, Stack	Murdochville, Quebec	550 ft	Concrete	Smelter	Demolished in 2003
20 tie	Lambton Generating Station, Stack 3	Corunna, Ontario	550 ft	Concrete	Power plant	In use	7.11
22	Dalhousie Generating Station #1, Stack 1	Dalhousie, New Brunswick	532 ft	Concrete	Power plant	Demolished in 2015		1980
23	Battle River Generating Station, Stack C	Battle River, Alberta	528 ft	Concrete	Power plant	In use	5.791	1981
24	Sundance Power Station, Stack 1	Wabamun Lake, Alberta	512 ft	Concrete	Power plant	In use	6.401	1970-73
25 tie	Sundance Power Station, Stack 2	Wabamun Lake, Alberta	510 ft	Concrete	Power plant	In use	7.32	1976-77
25 tie	Sundance Power Station, Stack 3	Wabamun Lake, Alberta	510 ft	Concrete	Power plant	In use	7.315	1978-80
27 tie	INCO Nickel Smelter, Stack	Sudbury, Ontario	500 ft	Brick	Smelter	Dismantled in 1982	14.6	1929
27 tie	INCO Copper Smelter, Stack	Sudbury, Ontario	500 ft	Concrete	Smelter	In use - Reduced to 435 ft	13.4	1936
27 tie	INCO Nickel Smelter, Stack 2	Port Colborne, Ontario	500 ft	Concrete	Smelter	Dismantled in 1994	5.49	1937
27 tie	INCO Thompson Smelter, Stack	Thompson, Manitoba	500 ft	Concrete	Smelter	In use	9.14	1958
27 tie	Tufts Cove Generating Station, Stack 1	Tufts Cove, Nova Scotia	500 ft	Concrete	Power plant	In use	2.44	1965
27 tie	Tufts Cove Generating Station, Stack 2	Tufts Cove, Nova Scotia	500 ft	Concrete	Power plant	In use	2.44	1972
27 tie	Tufts Cove Generating Station, Stack 3	Tufts Cove, Nova Scotia	500 ft	Concrete	Power plant	In use	3	1976
27 tie	Lingan Generating Station, Stack 1	Lingan, Nova Scotia	500 ft	Concrete	Power plant	In use	4.7	1979
27 tie	Lingan Generating Station, Stack 2	Lingan, Nova Scotia	500 ft	Concrete	Power plant	In use	4.7	1979
27 tie	Trenton Generating Station, Stack 1	Trenton, Nova Scotia	500 ft	Concrete	Power plant	In use	4.7	1969
37 tie	Lakeview Generating Station, Stack 1	Mississauga, Ontario	492 ft or 479 ft	Concrete	Power plant	Demolished in 2006		1961
37 tie	Lakeview Generating Station, Stack 2	Mississauga, Ontario	492 ft or 479 ft	Concrete	Power plant	Demolished in 2006		1962
37 tie	Lakeview Generating Station, Stack 3	Mississauga, Ontario	492 ft or 479 ft	Concrete	Power plant	Demolished in 2006		1964
37 tie	Lakeview Generating Station, Stack 4	Mississauga, Ontario	492 ft or 479 ft	Concrete	Power plant	Demolished in 2006		1965
41	Shand Power Station, Stack	Estevan, Saskatchewan	486 ft	Concrete	Power plant	In use	5	1992
42	Atikokan Generating Station, Stack	Atikokan, Ontario	476 ft	Concrete	Power plant	Undergoing refurbishment	5.5	1985
43 tie	Keephills Generating Station, Stack 2	Keephills, Alberta	455 ft	Concrete	Power plant	In use	7.77
43 tie	Keephills Generating Station, Stack 1	Keephills, Alberta	455 ft	Concrete	Power Plant	In use	5.75	1983-84
45	Genesee Generating Station, Stack 2	Genesee, Alberta	453 ft	Concrete	Power plant	In use	5.74	2005
46 tie	Xstrata Nickel Smelter, Stack	Sudbury, Ontario	450 ft 137.2 m	Concrete	Smelter	Unused		1965
46 tie	Enwave Walton Street Steam Plant, Stack	Toronto	450 ft 137.2 m	Concrete	Steam Plant	In use	2.6	1971
46 tie	Commissioners Street Incinerator, Stack	Toronto	450 ft 137.2 m	Concrete	Incinerator	Unused
46 tie	Suncor Energy Oil Sands, FGD Stack	Fort McMurray, Alberta	450 ft 137.2 m	Concrete	Oil refinery	In use	7.01
46 tie	Battle River Generating Station, Stack B	Battle River, Alberta	450 ft	Concrete	Power plant	In use	6.096	1969-75

The Tracy Thermal Generating Station has four 449 ft stacks.

Tallest destroyed/demolished structures in Canada

There are two separate lists, once again one for free standing structures and one for guyed masts. This is because of incomplete information regarding the height and number of demolished guyed masts.
Tallest freestanding demolished structures:

Rank	Building	City	Height	Structure type	Build material	Year built/demolished	Notable for
1 tie	Smokestack 1 , Nanticoke Generating Station	Nanticoke, Ontario	198 m/650 ft	Smokestack	Concrete	1972-2018	Tied for the tallest freestanding structure demolished in Canada.
1 tie	Smokestack 2 , Nanticoke Generating Station	Nanticoke, Ontario	198 m/650 ft	Smokestack	Concrete	1974-2018	Tied for the tallest freestanding structure demolished in Canada.
3	Cambridge Bay LORAN Tower	Cambridge, Nunavut	189 m/620 ft	Lattice tower	Steel	1948–2014	Tallest freestanding structure in Canada from 1948 to 1954
4 tie	Smokestack, Noranda Inc. Gaspe Site	Murdochville, Quebec	168 m/550 ft	Smokestack	Concrete	-2003
4 tie	Smokestack, Dalhousie Generating Station #2	Dalhousie, New Brunswick	168 m/550 ft	Smokestack	Concrete	-2015
6	CBC Jarvis St. Tower	Toronto, Ontario	164 m/540 ft	Lattice tower	Steel	1952–2002	Tallest freestanding structure in Toronto from 1952 to 1967
7	Smokestack, Dalhousie Generating Station #1	Dalhousie, New Brunswick	162 m/532 ft	Smokestack	Concrete	1967-2015
8 tie	INCO Nickel Smelter, Brick Smokestack	Sudbury, Ontario	152.4 m/500 ft	Smokestack	Brick	1929–1982	Tallest freestanding structure in Canada from 1929 to 1948
8 tie	INCO - Port Colborne Nickel Smelter Smokestack #2	Port Colborne, Ontario	152.4 m/500 ft	Smokestack	Concrete	1937–1994	Equaled tallest freestanding structure in Canada from 1937 to 1948
10 tie	Lakeview Generating Station Smokestack Units 1+2	Mississauga, Ontario	150 m/493 ft	Smokestack	Concrete	1961–2006
10 tie	Lakeview Generating Station Smokestack Units 3+4	Mississauga, Ontario	150 m/493 ft	Smokestack	Concrete	1962–2006
10 tie	Lakeview Generating Station Smokestack Units 5+6	Mississauga, Ontario	150 m/493 ft	Smokestack	Concrete	1964–2006
10 tie	Lakeview Generating Station Smokestack Units 7+8	Mississauga, Ontario	150 m/493 ft	Smokestack	Concrete	1965–2006
14	Battle River Generating Station Smokestack Units 1&2	Battle River, Alberta	122 m/400 ft	Smokestack	Concrete		Tallest structure to be demolished in Alberta
15	Empire Landmark Hotel	Vancouver, British Columbia	121 m/396 ft	Building	Concrete	1973-2019	Demolished floor by floor between March 2018 and May 2019. Tallest building to be demolished in Canada. Tallest structure to be demolished in British Columbia.
16 tie	INCO - Port Colborne Nickel Smelter Smokestack #1	Port Colborne, Ontario	106.7 m/350 ft	Smokestack	Brick	1917–1966	Tallest freestanding structure in Canada from 1917 to 1928
16 tie	INCO - Orford Stack	Sudbury, Ontario	106.7 m/350 ft	Smokestack	Concrete
16 tie	Thunder Bay Generating Station, Condensing Unit Smokestack	Thunder Bay, Ontario	106.7 m or 110 m/350 ft or 361 ft	Smokestack	Concrete	1962–1998
19	St. Lawrence Starch Plant Smokestack	Mississauga, Ontario	97.5 m/320 ft	Smokestack	Concrete	1971–1994
20	Oakville Assembly Paint Stack	Oakville, Ontario	91.4 m/300 ft	Smokestack	Steel	19??–2012
na	Old Toronto Star Building	Toronto, Ontario	88 m/289 ft	Building		1927–1972	Second tallest building to be demolished in Canada. Tallest building to be demolished in Ontario.
na	Hotel Laurentien	Montreal, Quebec	78 m/255 ft	Building		1948–1978	Tallest building in Quebec to be demolished.
na	Hotel Vancouver	Vancouver, British Columbia	77 m/253 ft	Building		1916–1949

Tallest demolished guyed masts:

Rank	Building	City	Height	Year built/demolished
=1	Cape Race LORAN-C transmitter	Cape Race, Newfoundland	411.48 m/1350 ft	1965–1993
=1	CKX-TV Craig Television Tower	Hayfield, Manitoba	411.48 m/1350 ft	1973–1983
3	CBC Tower	Shawinigan, Quebec	371 m/1217 ft	1972–2001
4	CKVR-TV	Barrie, Ontario	305 m/1000 ft	1976–1977
5	CFTO AM Transmitting Tower	Toronto, Ontario	279 m/916 ft	1960-????

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