Greenwich is a riverside borough, and one of the largest open spaces is the Thames itself, forming the northern boundary of the borough.
Greenwich | Australian Open | French Open | Greenwich Village | Open University | open source | U.S. Open | Greenwich, Connecticut | Wacken Open Air | Greenwich Mean Time | Royal Observatory, Greenwich | The Open Championship | Rosa Parks | U.S. Open (tennis) | Van Dyke Parks | All England Open Badminton Championships | U.S. Open (golf) | Trading Spaces | Open Source | Open-pit mining | New York City Department of Parks and Recreation | 2006 Australian Open | Open Software Foundation | Indira Gandhi National Open University | Walt Disney Parks and Resorts | Parks and Recreation | Lamar Hunt U.S. Open Cup | California Department of Parks and Recreation | Greenwich Island | 2005 Australian Open – Men's Singles |