Alleghenies ★ Premium & Pro

: The Allegheny Portage Railroad was a 19th-century marvel that used inclined planes to haul canal boats over the mountains.

: A sharp, massive escarpment that serves as the Eastern Continental Divide , separating the Mississippi River and Chesapeake Bay watersheds. alleghenies

: The range has been home to humans for thousands of years, from the indigenous Monongahela and Shawnee to the Scotch-Irish and German immigrants who braved the "western waters" in the 1700s. Expand map Industrial History Scenic Peaks & Wilds Rivers & Trails Pennsylvania Turnpike Abandoned Tunnels : The Allegheny Portage Railroad was a 19th-century

: The bedrock is primarily sandstone and quartzite, which are extremely resistant to weathering. Outdoor Recreation & Rail Trails alleghenies