The Cataraqui River is a waterway located in southeastern Ontario, Canada. It flows from Lake Ontario at Kingston and travels northward for about 16 kilometers before emptying into the Rideau Canal. The river is an important part of the local ecosystem and serves as a habitat for various fish and wildlife. Historically, the Cataraqui River has been significant for transportation and trade. It was used by Indigenous peoples and later by European settlers. Today, the river is popular for recreational activities such as boating, fishing, and kayaking, attracting both locals and tourists to its scenic banks.