The City of Sandy Springs isn’t the only organization building paths and trails in the northern Atlanta suburb. With the help of the Chattahoochee National Park Conservancy, the National Park Service, and private donations, the Island Ford Unit of the Chattahoochee River National Recreation Area (CRNRA) increased its trail mileage by nearly 50% in western Sandy Springs and southern Cobb County. The Chattahoochee River National Recreation Area sp…