: An 17.6-mile trek through history featuring two dark, damp, and abandoned tunnels (Sideling Hill and Ray's Hill) left behind when the highway was rerouted.
: A massive protected area in Pennsylvania offering thousands of miles for hiking, camping, and wildlife watching . Historical and Industrial Legacy alleghenies
: A flat, well-maintained trail between Ohiopyle and Confluence that follows beautiful rapids and connects to the broader Allegheny Highlands Trail . : An 17
: The region's rich deposits of bituminous coal, timber, and iron fueled the Industrial Revolution, though this legacy includes significant environmental impacts from practices like mountaintop removal. : The region's rich deposits of bituminous coal,
The —often called the Alleghenies—form the rugged western-central portion of the Appalachian Mountains . Historically a formidable barrier to westward travel, they now serve as a premier destination for outdoor recreation, stretching approximately 300 to 400 miles from north-central Pennsylvania through western Maryland and eastern West Virginia. Geological and Natural Highlights