It includes Maulden Wood and Pennyfather's Hill, a 148.8 hectare, biological Site of Special Scientific Interest (SSSI).

[1][2] Maulden Wood is classed as a semi-natural broadleaf woodland, on acidic grassland and includes some conifer plantations.

Much of Maulden Wood is designated as an (SSSI) for the acidic grassland and heathland interest, and wildlife includes badger sets, foxes, and barn owls.

Maulden wood is green most of the year round due to the large percentage of pine and other evergreen trees.

There also some rare species of sawfly (Symphyta, Pamphilius sylvarum and Caliroa cinxia, which feed on the resident oak (Quercus) trees.