The Alleghany Mountains are a major mountain range located in the eastern United States, primarily in the states of Pennsylvania, West Virginia, and Virginia. They are part of the larger Appalachian Mountains and are known for their rugged terrain, diverse ecosystems, and rich natural resources. The range features numerous peaks, valleys, and rivers, making it a popular destination for outdoor activities like hiking and camping. The Alleghany Mountains are also home to several national parks and forests, including the Monongahela National Forest and Shenandoah National Park. These protected areas preserve the unique flora and fauna of the region, as well as its scenic beauty. The mountains play a significant role in the local climate and hydrology, influencing weather patterns and water sources for surrounding communities.