The Emerald Necklace is a chain of parks and green spaces in Boston, Massachusetts, designed by landscape architect Frederick Law Olmsted in the late 19th century. It connects several parks, including Boston Common, Franklin Park, and Jamaica Pond, creating a continuous green corridor for recreation and relaxation. Spanning approximately 1,100 acres, the Emerald Necklace serves as an important ecological and recreational resource for the city. It offers walking paths, scenic views, and various outdoor activities, promoting both environmental sustainability and community well-being. The park system is a vital part of Boston's urban landscape.