Hackney Marshes is a large open space located in the London Borough of Hackney. It covers approximately 90 hectares and is known for its extensive grasslands and sports facilities. The area is popular for recreational activities, including football, rugby, and cycling, attracting both locals and visitors. The marshes are also home to various wildlife and plant species, making it an important ecological site. The River Lea runs nearby, contributing to the area's natural beauty. Hackney Marshes is part of the larger Lee Valley Regional Park, which offers additional outdoor activities and scenic views.