There are a number of crags and boulders strewn about the watershed property, of which the most prominent crags and boulders are in the Prettyboy and Loch Raven areas. But from what I'm told, Baltimore City does not care for/allow climbing with in the boundaries of the watershed property so I'm adding this for the sole purpose of historic reasons as climbing has taken place in the past.
The watershed property is scattered throughout Baltimore County.
Browse More Classics in Baltimore City Watershed
Mountain Project's determination of some of the classic, most popular, highest rated routes for Baltimore City Watershed:
Featured Route For Baltimore City Watershed
Climb up the wall to the left side of the roof. Turn it on the left and follow the crack that splits the left-facing corner. Instead of stopping at the tree on Unknown, drift left and continue up broken blocks. Step left and finish on Sneakers to the top....[more] Browse More Classics in MD