The Laurentian Mountains are a mountain range located in southern Quebec, Canada. They are part of the larger Canadian Shield and are known for their rugged terrain, rolling hills, and numerous lakes. The mountains are primarily composed of ancient volcanic and sedimentary rocks, making them one of the oldest mountain ranges in North America. This region is popular for outdoor activities such as hiking, skiing, and camping. The Laurentians also host several national parks, including Mont-Tremblant National Park, which attracts visitors year-round. The area's diverse ecosystems support a variety of wildlife, making it a significant natural habitat.