The Temiskaming River is a river located in northeastern Ontario, Canada. It flows approximately 100 kilometers from Lake Temiskaming to the Ottawa River, serving as a natural boundary between Ontario and Quebec. The river is known for its scenic beauty and is a popular spot for outdoor activities such as fishing and canoeing. The river's watershed supports diverse ecosystems and wildlife, making it an important area for conservation. The Temiskaming River also plays a role in local communities, providing water resources and recreational opportunities for residents and visitors alike.