Some take photos, others capture video. Jeff Morris who mostly bikes trails in DC and Baltimore area published a series of videos capturing mile by mile biking his trip on the Great Allegheny Passage, Summer of 2016.
Pittsburgh to Connellsville - 59 miles of semi paved, low bridges, nearly flat easy pedaling! Watch me
Connellsville to Rockwood - 45 more miles of bridges, rivers and gorgeous trail! Watch me
Rockwood to Cumberland* - 46 miles of scenery, viaducts, tunnels and epic views! Watch me *Check out minute 9:09 - 10:09, Outstanding view!