Serendipity of the Great Allegheny Passage - Bob Regan - Bog

The Great Allegheny Passage is the longest rails-to-trails biking/hiking trail east of the Mississippi. It travels through five counties from Allegany County, MD to Allegheny County, PA, has a relief of 1,765 feet, and takes 149 miles to traverse the 85 mile direct line distance from end to end. Spanning two states, five counties, 400 million years of geologic time, and hundreds of years of history it has become one of the premier tourist attraction in southwestern Pennsylvania.