The Don River is a major river in Ontario, Canada, flowing through the city of Toronto. It stretches approximately 38 kilometers (24 miles) from its source in York Region to its mouth at Lake Ontario. The river is known for its scenic beauty and is surrounded by parks and trails, making it a popular spot for outdoor activities. Historically, the Don River played a significant role in the development of the region, serving as a transportation route for Indigenous peoples and later European settlers. Today, efforts are ongoing to restore its natural habitat and improve water quality, benefiting both wildlife and the local community.