Local Wildlife Site

Accessible Sites of Importance for Nature Conservation

Hogsmill Valley
Borough: Kingston upon Thames
Grade: Borough Grade I
Access: Free public access (all/most of site)
Area: 32.8 ha

Description

This site includes the Hogsmill river corridor from Berrylands station south to Malden Lane, comprising a varied mosaic of old floodplain habitats. Drier habitats include a small area of acid grassland, as well as the Hogsmill Wood nature reserve, adjacent to the A3 and managed by the London Wildlife Trust.Most of the site is within a Local Nature Reserve. Kingston Health Walks project uses this site – a Walking the Way to Health (WHI) scheme; see link for details.

Wildlife

The majority of the site is open species-rich grassland, and there are small pockets of willow woodland over sedge beds. The grassland includes many locally uncommon plants such as grass vetchling, devil's-bit scabious, pepper-saxifrage, yellow-rattle, square-stemmed St John's-wort, ragged-robin, sneezewort, betony and meadowsweet. The sedge beds in the willow woodland support one of London's few populations of slender tufted-sedge.The Hogsmill River rises from springs in the chalk of the North Downs and has a diverse aquatic flora here, including horned pondweed and hemlock water-dropwort. Breeding birds include bullfinch, spotted flycatcher, lesser spotted woodpecker, lesser whitethroat, grey wagtail and kingfisher. Water voles occur rarely on the site. There is also an important fish community.

Facilities

Information; toilet; playgrounds; waymarked walking route. The London LOOP runs the length of the Hogsmill Valley.
Hogsmill Open Space, Old Malden © Mathew Frith

Hogsmill Open Space, Old Malden © Mathew Frith
River Hogsmill at Six Acre Meadow © Marie-Claire Edwards

River Hogsmill at Six Acre Meadow © Marie-Claire Edwards

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Find out more

More information on GiGL’s SINC dataset can be found here.

Additional information, including other site designations and species recorded onsite and nearby, can be provided in community and client data search reports. Request information here.