Sault Sainte Marie is a city in the province of Ontario, Canada. It is located on the St. Marys River, which connects Lake Huron and Lake Superior. The city has a population of approximately 75,000 people. Sault Sainte Marie is known for its historic sites, such as the Sault Ste. Marie Canal National Historic Site, which features a lock system that allows ships to bypass the rapids in the river. The city also has a strong connection to the Indigenous people of the area, with the Garden River First Nation and Batchewana First Nation located nearby. Sault Sainte Marie is a popular destination for outdoor activities, such as boating, fishing, and hiking, and is often referred to as the Gateway to the Great Lakes.