The Image

Grim's Ditch

Sandringham Community · 9.9 miles

A linear earthwork crossing the north-west fringe of Greater London stretches for roughly six miles, linking the ridge at Stanmore Hill with the area around Bushey Heath north of Pinner Green. The surviving sections begin around Harrow Weald Common, where the historic bank can be followed along the Old Redding high path that runs through the centre of the ridge and includes a map-marked viewpoint. A short distance further up the “high road” the line of trees opens to provide additional outlooks over the surrounding landscape. From the elevated points visitors can glimpse central London, including the Shard, and to the south the silhouette of Leith Hill with its 20-metre tower. Westward the Chilterns and Coombe Hill in Buckinghamshire are visible, while the highest surviving point, situated near the historic county top of Middlesex above Grim’s Dyke Golf Club on the Bushey Heath Walk footpath, bears a stone marker installed by the Harrow Heritage Trust. The site is classified as an archaeological feature, with the nearest settlement identified as Sandringham Community. The earthwork is thought to have been constructed by the Catuvellauni tribe, either as a defensive barrier against Roman advance or as a boundary marker. Radiocarbon dating of material recovered during a 1979 excavation suggests an Iron Age or early Roman date, around 50 AD ± 80 years. Adjacent to the ditch, Grim’s Dyke—a house designed by Norman Shaw in 1870 and later the home of W. S. Gilbert—now operates as a hotel and is listed for its architectural significance. The area is freely accessible via the public footpaths, with no specific admission charge noted.

Northmoor Hill Wood Local Nature Reserve

Denham Garden Village · 11 miles

Northmoor Hill Wood is an 8.7 hectares Local Nature Reserve in Denham in Buckinghamshire. It is also of geological interest.

Dews Farm Sand Pits

South Harefield · 11 miles

Dews Farm Sand Pits is a 1.2-hectare (3.0-acre) nature reserve near Harefield in the London Borough of Hillingdon. It is managed by the London Wildlife Trust, and is a Site of Borough Importance for Nature Conservation, Grade I.

Heath Robinson Museum

Pinner Green · 11 miles

Museum dedicated to showcasing the work of the world-renowned artist, illustrator, humorist and social commentator William Heath Robinson

Harrow Museum

Harrow (N, W and S) · 12 miles

The Headstone Museum, also known as Harrow Museum, occupies the historic grounds of Headstone Manor within Headstone Manor Park on the edge of Harrow. The site comprises four listed structures that together illustrate the development of the area from Roman activity through medieval and later periods. Central to the complex is Headstone Manor, a timber-framed house dating from around 1310 and recognised as the earliest surviving building of its type in Middlesex. The manor’s fabric includes 14th-, 17th- and 18th-century work, and it is surrounded by a water-filled moat that remains the only surviving example of its kind in the county. Adjacent are the Great Barn, a 1506 oak-frame barn now Grade II* and converted for museum use, the Small Barn – a 14th-century structure restored after fire damage and reopened in 2017 with archaeological displays – and the Granary, a late-18th-century cattle-feed store relocated from Pinner Park Farm in 1991. Established in 1986, the museum presents the story of Harrow through collections, exhibitions and the historic buildings themselves. The manor passed from the Archbishops of Canterbury to Henry VIII in 1546, entered private hands for almost four centuries, and was acquired by Hendon Rural District Council in 1925 before becoming the borough’s museum. Restoration work on the manor began in autumn 2004, while the Great Barn received a functional conversion in the 1970s and a further programme of restoration started in 2014. The museum is accessed via Harrow and forms part of a scheduled monument, offering visitors insight into the locality’s long-standing heritage.

Manor Farm

Ruislip · 12 miles

Set within the Ruislip Village Conservation Area, Manor Farm occupies 22 acres of parkland on the outskirts of Ruislip, Greater London. The site retains a medieval farm complex, including a 13th-century Great Barn built of English oak and a 16th-century farmhouse constructed from locally produced brick, tile and timber. Remnants of a Norman-era motte-and-bailey castle survive as part of a moat and earth bank, the layout of which suggests an oval enclosure once supporting a wooden stronghold. Archaeological evidence places the earliest work on the ground to the 9th century, while later phases saw the manor pass to King’s College, Cambridge in the 15th century and the farm operate commercially until 1933. The London Borough of Hillingdon now manages the area as a community resource, and the Great Barn and surrounding grounds host regular events. Restoration work funded by the National Lottery during 2007–2008 reinforced the heritage status of the farm, and the site remains open as a public park. Access is via the surrounding streets of Ruislip, with the park forming part of the local green network and offering open space, historic structures and the scheduled-monument moat for visitors to explore.