Originally Posted by
Duragrouch
(above) Well that convinces me that is not a trail for a rim-brake bike. I dunno, maybe if rarely using the brakes because no greater than 2% slope plus no sharp turns due to old train line. Definitely not all crushed limestone.
I don’t know about the C&O, but I survived the GAP twice from PGH to Cumberland twice as part of cross PA tours and once during an up and back trip with rim brakes. Heavy rain during two of those trips.