🇨🇦 Canada · Ontario and the Great Lakes Region
Kingston is one of the most history-laden cities in Canada, and at the same time one of the most pleasant to explore on foot. Set at the exact point where Lake Ontario becomes the St. Lawrence River, at the entrance to the green maze of the Thousand Islands, this limestone city was the first capital of the United Province of Canada and keeps a historic core of orderly streets, 19th-century buildings and a lovely waterfront. It is called 'The Limestone City' for the abundance of buildings made from that grey stone quarried in the region.
Its strategic position between Toronto, Ottawa and Montreal made it a key point for military control of the Great Lakes and the St. Lawrence, which explains its great defensive heritage: the imposing Fort Henry, the Martello towers and the southern end of the Rideau Canal, that feat of early 19th-century military engineering that today is a UNESCO World Heritage Site. On top of that past comes the weight of Queen's University and the Royal Military College, which fill the city with young life and tradition.
This guide covers Kingston with a practical eye: what to see downtown and at its forts, how to cruise the Thousand Islands and the Rideau Canal, where to eat and sleep, and how to use it as a stop or a base on a route through eastern Ontario. It is an ideal city for anyone who likes to combine history, architecture, waterscapes and a charming university and port atmosphere.
The site of Kingston mattered long before the city existed. At the mouth of the St. Lawrence River, the French established Fort Frontenac in 1673, a fur trading post and military outpost in the territory of Indigenous peoples (Haudenosaunee and others). After the fall of New France, the place passed into British hands. The modern city was born in 1784, when the United Empire Loyalists fleeing the independence of the United States settled there, and it was named Kingston in honour of King George III. Its strategic position, where Lake Ontario becomes the St. Lawrence River, made it a crucial military point: during the War of 1812 it was an important British naval base, and in the following decades Fort Henry and the Martello towers were built to defend it, along with the Rideau Canal (finished in 1832), which connected Kingston with Bytown (the future Ottawa) by a safe route far from the American border. Built largely from the local limestone, Kingston earned its nickname of 'Limestone City'. In 1841 it reached its political peak by becoming the first capital of the United Province of Canada, though it lost that role a few years later (in 1844) because it was too close to the border. It was also the city of the country's founding prime minister, Sir John A. Macdonald. In 1841-1842 Queen's University was founded there, and later the Royal Military College, which gave it its university and military profile. The Rideau Canal was declared a UNESCO World Heritage Site in 2007, together with its Kingston fortifications. The full story is on our history page.
Read the full history ↓Canada's economic and demographic heart: land of the Iroquoian and Algonquian nations, refuge of the Loyalists, cradle of Upper Canada and the country's industrial engine, home to Toronto, to the national capital Ottawa and to Niagara Falls.
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Origins, formation and what the sources say.
Long before the city existed, the point where Lake Ontario empties into the St. Lawrence River was a place of passage and meeting for Indigenous peoples, in territory used by Iroquoian-speaking (Haudenosaunee) and Algonquian nations. Its strategic value — control of the entrance to the St. Lawrence and the route to the Great Lakes — did not escape the Europeans.
In 1673, the French of New France established Fort Frontenac there, named after the governor Louis de Buade, Count of Frontenac. The fort worked as a fur trading post and as a military outpost to project French influence over the Great Lakes region and control trade with Indigenous peoples. The famous explorer René-Robert Cavelier de La Salle was connected to the fort in its early years.
For almost a century, Fort Frontenac was a contested point in the colonial wars between the French, the British and their respective Indigenous allies. With the fall of New France to the British in the mid-18th century (after the Seven Years' War), the site passed under British control, laying the foundations for what, decades later, would become the city of Kingston.
The modern city of Kingston grew out of a population movement that shaped the whole history of Upper Canada: the arrival of the United Empire Loyalists. After the independence of the United States, thousands of settlers who had stayed loyal to the British Crown left the former colonies and moved to the territories that were still British. Many of them settled on the shores of Lake Ontario and the St. Lawrence.
In 1784, these Loyalists founded a settlement on the site of the old Fort Frontenac, which was given the name Kingston, in honour of King George III ('the king's town'). The town grew quickly, making the most of its excellent natural harbour and its strategic position, becoming a centre of trade, transport and shipbuilding on Lake Ontario.
Over the following decades, Kingston established itself as one of the main centres of Upper Canada. Its character was defined by the British loyalty of its founders, its port and military calling, and the use of local limestone in its buildings, which in time would earn it the nickname 'Limestone City'.
The War of 1812 between Great Britain and the United States put Kingston at the centre of British military strategy. Because of its key position on Lake Ontario, the city became the main British naval base on the Great Lakes: warships were built and repaired there and troops were concentrated. The conflict made it clear that controlling Kingston was essential to defending Upper Canada from an American invasion.
Once the war was over, the British launched an ambitious defence programme. Between 1832 and 1837 they raised Fort Henry on the hill overlooking the harbour, replacing an earlier fortification, and built a series of Martello towers (round defensive towers) around the city and the harbour. The aim was to protect the naval base, the dockyard and the end of a new and crucial line of communication: the Rideau Canal.
The Rideau Canal, built between 1826 and 1832 under the direction of Lieutenant Colonel John By, was a monumental feat of military engineering: 202 kilometres of canals, locks, lakes and rivers connecting Kingston with Bytown (the future Ottawa). Its purpose was to provide a safe supply route between Montreal and the Great Lakes that did not depend on the St. Lawrence River, too exposed to attack from the American border. The canal — today a UNESCO World Heritage Site — and the Kingston fortifications made the city one of the most important military strongholds in British North America.
Kingston's moment of greatest political prominence came in 1841. After the rebellions of 1837 and the union of Upper and Lower Canada into a single United Province of Canada, Kingston was chosen as the first capital of the new entity. The city, prosperous and strategic, prepared for its new role: the majestic limestone City Hall, opened in 1844, dates from that time, conceived to match the ambitions of a capital.
The political splendour was brief, however. Kingston turned out to be too small to house the government and, above all, too close to the border with the United States, which left it vulnerable in the event of conflict. As early as 1844, the capital moved to Montreal, and over the following decades it alternated between different cities until, in 1857, Queen Victoria designated Ottawa as the permanent capital. The monumental city hall remained as testimony to those years of glory.
Kingston nonetheless kept a symbolic political weight thanks to one of its most illustrious sons: Sir John A. Macdonald, a lawyer from the city who became Canada's first prime minister after Confederation in 1867 and one of the country's principal architects. Macdonald represented Kingston in Parliament for much of his career, and the city holds sites and memorials tied to his figure, one of the most influential — and, in the light of recent history, most debated — in Canadian history.
After losing the capital, Kingston reinvented itself as a city of institutions, knowledge and services. In 1841-1842, by Royal Charter of Queen Victoria, Queen's University was founded, and in time it became one of the most prestigious universities in Canada and one of the souls of the city. Later came the Royal Military College of Canada (1876), the country's military academy, on the shore opposite downtown, reinforcing Kingston's historic military calling.
The city was also home to penitentiary institutions of national reach. Kingston Penitentiary, opened in 1835, was one of the oldest and best known maximum security prisons in Canada, in operation until 2013. Its imposing limestone complex beside the lake is today a tourist attraction and a testimony to the history of the Canadian penal system, alongside the Penitentiary Museum.
International recognition of Kingston's heritage came in 2007, when UNESCO inscribed the Rideau Canal — with its locks, its original structures and the Kingston fortifications (including Fort Henry) — on the World Heritage list, as the best preserved example of a canal from the first half of the 19th century in North America. Today Kingston combines its rich historic legacy, its limestone architecture and its university and boating atmosphere to present itself as one of the most attractive historic cities in the country.