This is a two lock staircase on the Pawtucket Canal. The lower lock is in the foreground with the hotel on the left. Reflections on the upper left are in the glass of the footbridge that crosses the canal here. Behind the view is the Concord River whichy flows to tye right to the Merrimack River below the falls. Straight above the upper lock, the Pawtucket Canal leads through Lowell to Swamp Locks. Behind the low wooden structure gate house at the falls, water flows to the right into a hydraulic canal.