The Otonabee River is a significant waterway located in central Ontario, Canada. It flows approximately 65 kilometers from the northern part of the city of Peterborough to the Kawartha Lakes region, eventually joining the Trent River. The river is an important part of the local ecosystem and serves as a habitat for various fish species, including bass and trout. Historically, the Otonabee River was used by Indigenous peoples and later by European settlers for transportation and trade. Today, it is popular for recreational activities such as boating, fishing, and kayaking. The river also plays a role in the local economy and tourism, attracting visitors to the scenic landscapes along its banks.