The Malartic River is a waterway located in the province of Quebec, Canada. It flows through the region of Abitibi-Témiscamingue and is a tributary of the Osisko Lake. The river is approximately 30 kilometers long and plays a role in the local ecosystem, supporting various wildlife and plant species. The river is also significant for recreational activities, such as fishing and kayaking. Its surrounding areas are known for their natural beauty, attracting outdoor enthusiasts. The town of Malartic, situated nearby, is named after the river and has a rich history tied to the mining industry in the region.