The Hoosac Mountains are a mountain range located in western Massachusetts, part of the larger Appalachian Mountain system. They stretch approximately 30 miles and are known for their rugged terrain and scenic beauty. The highest peak in the range is Mount Williams, which rises to an elevation of 3,491 feet. The area is popular for outdoor activities such as hiking, camping, and birdwatching. The Hoosac Mountains are also significant for their geological features and rich biodiversity. The region is home to various wildlife species and diverse plant life. Additionally, the Hoosac Tunnel, a historic railway tunnel, runs through the mountains, showcasing the area's industrial history and engineering achievements.