Wildlife habitats here include woodland, hedgerow and some ditches. Grim’s Dyke is a late Iron Age earthwork where excavations have uncovered remains that date back to year one AD. It is of course, a Scheduled Ancient Monument. To the west are Dingles Chalk Mines, which have recently been identified as a Regionally Important Geological Site.
Local Wildlife Site
Accessible Sites of Importance for Nature Conservation
Grim's Ditch and Pinner Green
Borough: Harrow
Grade: Borough Grade II
Access: Free public access (all/most of site)
Area: 3.5 ha
Description
Wildlife
Most of Pinner Green is woodland, with some large veteran oak trees. At ground-level plants include hedge woundwort, wood avens, wild raspberry and honesty. The hedgerow and ditch on the western margin date from the historical diversion of a stream from its original course (which can still be made out in the centre of the park). Brooklime grows on the stream bank, and lords-and-ladies is found in the hedgerow. The diverse roughland to the west of Dingles Chalk Mines represents former allotments abandoned in 2003. Here wood speedwell, scarlet pimpernel, tansy and feverfew grow alongside Russian comfrey, hedge woundwort and a range of other colonising plants.Facilities
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