Sydenham River (Ontario)

The Sydenham River is a river located in Southwestern Ontario, Canada. It drains a large agricultural watershed into Lake St. Clair. The river is known for its diverse ecosystem, including a high number of rare and endangered species of freshwater mussels and fish.

The river's watershed encompasses parts of several counties, including Lambton, Kent (Chatham-Kent), and Middlesex. The main branches of the river are the North Sydenham, the East Sydenham, and the Bear Creek, which merges with the main Sydenham near Wallaceburg.

The river's flow is heavily influenced by agricultural practices within its watershed, leading to issues with nutrient runoff, sedimentation, and fluctuating water levels. Conservation efforts are ongoing to improve water quality and protect the river's biodiversity. These efforts include best management practices for agriculture, habitat restoration, and public education programs. The river is also a popular destination for recreational activities such as canoeing and fishing.