Crofton Wood or Crofton Woods is a Local Nature Reserve

Local Nature Reserve

Local nature reserve or LNR is a designation for nature reserves in the United Kingdom. The designation has its origin in the recommendations of the Wild Life Conservation Special Committee which established the framework for nature conservation in the United Kingdom and suggested a national suite...

, a Site of Metropolitan Importance, and a Site of Special Scientific Interest

Site of Special Scientific Interest

A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 in Crofton

Crofton, London

Crofton is a district in the London Borough of Bromley in southeast London, England. It is located at ....

 in the London Borough of Bromley

London Borough of Bromley

The London Borough of Bromley is a London borough of south east London, England and forms part of Outer London. The principal town in the borough is Bromley.-Geography:...

. Its grid reference is . Kyd Brook goes through the Wood.

It is a large area of ancient woodland on London Clay

London Clay

The London Clay Formation is a marine geological formation of Ypresian age which crops out in the southeast of England. The London Clay is well known for the fossils it contains. The fossils from the Lower Eocene indicate a moderately warm climate, the flora being tropical or subtropical...

, which supports many types of trees, shrubs and herbs. Trees in the ancient wood are mainly oak

Oak

An oak is a tree or shrub in the genus Quercus , of which about 600 species exist. "Oak" may also appear in the names of species in related genera, notably Lithocarpus...

 and hazel

Corylus avellana

Corylus avellana, the Common Hazel, is a species of hazel native to Europe and western Asia, from the British Isles south to Iberia, Greece, Turkey and Cyprus, north to central Scandinavia, and east to the central Ural Mountains, the Caucasus, and northwestern Iran. It is an important component of...

, with a central area of former fields. It has high botanical diversity, including fourteen species of sedge

Carex

Carex is a genus of plants in the family Cyperaceae, commonly known as sedges. Other members of the Cyperaceae family are also called sedges, however those of genus Carex may be called "true" sedges, and it is the most species-rich genus in the family. The study of Carex is known as...

, and a rich invertebrate fauna.

The London Loop goes through the Wood, and there is access from the corner of Ormonde Avenue and Crofton Road.