Broadmoor to Bagshot Woods and Heaths

Broadmoor to Bagshot Woods and Heaths is a 1,696.3-hectare biological Site of Special Scientific Interest in Berkshire and Surrey that extend from a minority of the parish of Crowthorne including around Broadmoor Hospital in the west to Bagshot south-east, Bracknell north-east, and Sandhurst, south. It is part of the Thames Basin Heaths Special Protection Area. Two nature reserves which are managed by the Surrey Wildlife Trust are in the SSSI, Barossa nature reserve and Poors Allotment. Broadmoor Bottom, which is part of Wildmoor Heath, also falls within the SSSI; this reserve is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
This area has an extensive mosaic of broadleaved woodland, coniferous plantation, dry and wet heathland, valley mire,
a series of base-poor ponds and a scarce breeding invertebrate assemblage . In particular, the heathland and coniferous
plantation supports internationally important populations of woodlark, Eurasian nightjar and Dartford warbler, and have a
nationally important dragonfly and damselfly population. The site includes the peatland valley bogs of Broadmoor Bottom and
Wishmoor Bottom which form the most important remaining examples of this type of habitat in the region.
The site encloses a variety of habitats, but especially some open heathland as well as forestry plantations. The underlying geology includes recent deposits such as the Barton sands, part of the Bagshot Formation with local gravel deposits. They form a well-drained subsoil, so the area is mainly dry. Pockets of clay near the surface result in relatively shallow, sheltered pools.

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