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A railroad tunnel.
The Staple Bend Tunnel at Allegheny Portage Railroad National Historic Site
NPS

Allegheny Portage Railroad National Historic Site

History buffs, train enthusiasts, and National Park Foundation supporters wander this Pennsylvania historic site to learn about our nation’s railroad history.

The Allegheny Portage Railroad was the first railroad constructed over the Allegheny Mountains. This inclined plane railroad operated between 1834-1854 and was considered a technological wonder in its day. It played a critical role in opening the interior of the United States to trade and settlement.

Allegheny Portage Railroad National Historic Site is located in southwestern Pennsylvania approximately 12 miles west of Altoona. The main unit contains the Summit Level Visitor Center, the historic Lemon House, Engine House #6 Exhibit Shelter, the Skew Arch Bridge, picnic area and hiking trails. The Staple Bend Tunnel unit is located approximately 4 miles east of Johnstown, PA.