This marks the northern terminus of the River Walk designed by Robert Hugman. The dam was built to raise the level of water upstream and drop the level on downstream to the southern terminus, thus not requiring the southern dam to be made higher. When the River Walk was extended 1.3 miles north in 2009, this dam was cut through and the channel deepened three blocks north to Brooklyn Avenue. There a much higher dam was built with locks to raise boats to the water level upstream.
One feature at this level is the rock paved boat landing at the foot of the Lexington Avenue stairway. As was the case at other landings downstream, at water’s edge originally were cedar posts to which gondolas were to be tied.