Please be aware that part of the public area loop has been closed until further notice as the park starts preparatory efforts for this summer's paving project on the Picnic Area Road.
Natural Features & Ecosystems
The mountainous terrain of the Allegheny Mountain section of the Appalachian Plateau posed a problem to the Pennsylvania Mainline Canal, leading to the creation and use of incline planes that came to be known as the Allegheny Portage Railroad. The terrain-influenced form of transit, once novel and innovative for its time, is the backbone of the park’s history.
Did You Know?
The dam at South Fork, PA, that broke causing the Johnstown Flood of 1889 was originally built for the Mainline Canal System. The Allegheny Portage Railroad was an important part of the Mainline, so the stories are interconnected.