The Cap-Rouge River is a small river located in the province of Quebec, Canada. It flows into the St. Lawrence River and is approximately 30 kilometers long. The river is known for its scenic beauty and is surrounded by lush forests and wildlife, making it a popular spot for outdoor activities like hiking and fishing. Historically, the Cap-Rouge River played a significant role in the early settlement of the area. It was named after the reddish color of its banks, which are rich in iron oxide. Today, the river is an important natural resource and contributes to the local ecosystem.