Harrow Weald Common is a remnant of the once extensive woodland of the Forest of Middlesex. Grim's Dyke Open Space is named after the ancient earthwork that runs for 3 miles between Harrow Weald Common and Pinner Green, its original purpose unknown.
- Access & Directions
Access Contact DetailsOpening is unrestricted.
DirectionsLondon Overground: Hatch End. London Overground/Rail/Tube (Bakerloo): Harrow & Wealdstone then bus. Bus: 258
London Parks and Gardens Trust