The Metropolitan Park System of Greater Boston is a network of parks and recreational areas managed by the Massachusetts Department of Conservation and Recreation. Established in the early 20th century, it aims to provide residents and visitors with access to natural spaces, outdoor activities, and scenic landscapes. The system includes popular locations like the Charles River Esplanade and Blue Hills Reservation. This park system encompasses over 20,000 acres of land, offering a variety of recreational opportunities such as hiking, biking, and picnicking. It plays a crucial role in preserving the environment and enhancing the quality of life for the communities in the Greater Boston area.