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Four Locks

Mile 108.8 - The canal takes a shortcut here across Prather's Neck and leaves the side of the Potomac for an overland route.  Consequently, four locks are required to handle the sudden change in elevation.  This is a view of lock 49 with lock 50 in the background.

This USGS topological map shows the shortcut and Prather's Neck.

A view of lock 48 with lock 47 in the background.

Four Locks is a big area filled with locks and lockhouses, storage structures, a park and a boat ramp.  This is one of the lockhouses, the one closest to the park.

The Old Mule Barn, just past Lock 50.