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Dews Farm Sandpits

A thriving acid grassland habitat, reclaimed by nature and alive with flowers and butterflies in summer

This unusual nature reserve was once a mineral quarry, since reclaimed by nature. The grassland is striking, with hollows and banks providing sheltered hummocks of acid grassland which come alive in summer with insects.

A colony of rabbits grazes the grassland, leading to an abundance of wildflowers that you can now see in open areas.


Species you can see at Dews Farm Sandpits

Invertebrates: Hoverfly, field grasshopper, common blue, small tortoiseshell, peacock butterfly

Mammals: Rabbit

Plants: Common-spotted orchid, oxeye daisy, knapweed, agrimony, centaury


History of Dews Farm Sandpits

Dews Farm was once a mineral quarry, abandoned several decades ago when sand and gravel extraction ended. Nature has reclaimed the site and now a fascinating array of wildlife is present.


Facilities at Dews Farm Sandpits

There are no facilities available at the reserve.


How to get to Dews Farm Sandpits

The entrance is in Harvil Road, Harefield, 250m north of the council waste facility on New Years Green Lane, just south of the overhead power cables. The U9 bus stops along this road, and the nearest station is Denham (Chiltern Line), 2.5km away, or Ickenham (Underground), 4km away.


Opening times for Dews Farm Sandpits

Open at all times.


Accessibility at Dews Farm Sandpits

The terrain can be difficult, particularly in poor weather, and is steep in places. The nature trail through the site includes some steps.


Status of Dews Farm Sandpits

Site of Borough Importance


Get involved at Dews Farm Sandpits 


Nearby nature reserves

Broadwater Lake
1 miles - Herts and Middlesex Wildlife Trust
Denham Lock Wood
1 miles - London Wildlife Trust
Frays Farm Meadows
1 miles - London Wildlife Trust

Nature reserve map

Reserve information

Harvil Road, Harefield
Greater London
Map reference
Great for...
Best time to visit
Apr - Aug
Get directions
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Public transport
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Opening Times
Open at all times
1.20 hectares
Parking available in surrounding streets
Dogs must be on lead
Grazing animals
Reserve manager
Roger Taylor
Tel: 01895 448 028