This is a typical back side of a building exposed to the street.
The walk down Dykeman to the Harlem River drive.
For the life of me I could not find the name of this park, however I have added the coordinates:
Ahh yes more Caucasian people filling the new Suburbs of Inwood, Manhattan, NYC
Harlem River Drive Park
Swindler Cove Park
According to Google Earth this is the Flotilla Boat Club.
Confirmed here also:
Boaters in the watter.