Ontario is a big place in Canada. 

Ontario is a big part of Canada. 

Ontario is a province in Canada. It is in the middle of the country. 


The north is very different. It is much more empty. It has many trees and cold winters. Much of the land is part of the Canadian Shield. This area is full of rocks, minerals, and lakes.
Weather changes a lot in Ontario. The north has very long and cold winters. The south has warm summers. Near the Great Lakes, the water can change the weather. Cold winds over the lakes can make heavy snow. 
Ontario is a large province in the middle of Canada. It is the most crowded province in the whole country. As of the 2021 census, over 14 million people live there. This means about 38.5% of all Canadians live in Ontario. 
The land in Ontario looks very different depending on where you stand. Most of the land is in the north. This area is part of the Canadian Shield. It is filled with rocks, minerals, and many trees. 

The history of this land goes back a very long time. Paleo-Indians were the first people to live here about 11,000 years ago. Later, groups like the Iroquois and Algonquian people lived on the land. 

Weather in Ontario can change quite a bit. The north has a subarctic climate. This means the winters are very long and very cold. 
Ontario connects many different parts of the world together. The Saint Lawrence Seaway allows big ships to travel deep into the land. This path connects the Atlantic Ocean to places like Thunder Bay. 

Ontario is the southernmost province of Canada. It is located in the region of Central Canada. As the country's most populous province, it holds a massive share of the population. According to the 2021 Canadian census, over 14 million people live there. This represents 38.5% of the entire Canadian population. 
The province's borders connect it to many different neighbors. To the west, Ontario meets the province of Manitoba. To the north, it borders Hudson Bay and James Bay. Quebec borders Ontario to the east and northeast. To the south, it shares a border with several United States states. These include Minnesota, Michigan, Ohio, Pennsylvania, and New York. 

The geography of Ontario is divided into very different regions. The Canadian Shield dominates the northwestern and central portions. This area covers more than half of the province's total land area.
Southern Ontario is very different from the north. It is divided into four sub-regions. These are Central Ontario, Eastern Ontario, the Golden Horseshoe, and Southwestern Ontario. Most of the population and most arable land are located here. Arable land is land that is good for farming. While agriculture is a big industry, the economy relies heavily on manufacturing. 

The climate in Ontario changes based on your location. Three main air sources affect the weather. Cold, dry arctic air comes from the north. Pacific polar air comes from the western Canadian Prairies. Warm, moist air comes from the Gulf of Mexico and the Atlantic Ocean. 
Northern Ontario has a subarctic climate. This region is north of 50°N. It has long, very cold winters. The summers are short and can be cool or warm. Temperatures can change dramatically in all seasons. Snow often stays on the ground for over half the year. In the south, the weather can be more extreme in other ways. Windsor has the most lightning strikes in Canada. The province also sees an average of 11 confirmed tornado touchdowns every year. In 2006 and 2009, Ontario hit a record of 29 tornadoes.
Ontario has a long and deep history. Paleo-Indians were the first people to settle the land about 11,000 years ago. They arrived after crossing the Bering land bridge. Later, many groups lived here, such as the Algonquian and Iroquoian. During the Woodland period, people began cultivating corn, beans, and squash. In the 1600s, French explorers arrived. They called the region the Pays d'en Haut, or "Upper Country." 

🖼️ Images & Media (30)
+ 18 more
More to explore
✨ What else?
Related topics you might enjoy
🔬 Go deeper
More advanced topics to explore
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.