What is a Greenspace? a Greenway? a Greenbelt? A Greenspace is an open space such as a park, wildlife refuge, or undeveloped floodplain. A Greenway is a linear greenspace along a natural or man-made corridor. Natural corridors in Warren County include river frontage, stream valleys, or ridgelines. Man-made corridors include abandoned railroad lines, utility rights-of-way, or scenic highways. A Greenbelt is a network of greenspaces and greenways that can encircle as well as infiltrate a community.