1. Great Lakes: Ontario borders four of the five Great Lakes: Lake Superior, Lake Huron, Lake Erie, and Lake Ontario. These vast freshwater lakes play a crucial role in the province's economy, transportation, tourism, and ecosystem.
2. Niagara River and Falls: The Niagara River connects Lakes Erie and Ontario and forms the world-famous Niagara Falls, one of the most iconic natural wonders in the world.
3. St. Lawrence River: The St. Lawrence River forms the southeastern boundary of Ontario and serves as a vital shipping route connecting the Great Lakes to the Atlantic Ocean. It expands into Lake St. Francis and Lake St. Lawrence along its course.
4. Ottawa River: The Ottawa River flows through eastern Ontario and forms the border between Ontario and Quebec. It's a significant waterway for transportation, hydroelectric power generation, and recreational activities.
5. Georgian Bay: Georgian Bay is a large bay of Lake Huron located on Ontario's western shores. It's renowned for its beautiful scenery, islands, and freshwater beaches, making it a popular tourist destination.
6. Lake Simcoe: Lake Simcoe is a large lake located north of Toronto. It's a popular destination for fishing, boating, and water sports.
7. Lake of the Woods: Lake of the Woods is a large lake located in northwestern Ontario, on the border with Manitoba and Minnesota. It's known for its excellent fishing, particularly for walleye and muskie.
These are just a few of the many bodies of water found in Ontario, each contributing to the province's natural beauty and ecological diversity.