Delamere Forest has also been designated an SSSI for its fenland habitat. The white-faced darter, a species of dragonfly rare in the UK, and marsh fern and white sedge, wetland plants that are rare in Cheshire, are found here. Delamere Forest is a popular recreational area that is used by walkers, cyclists, mountain bikers and horse riders. It is also an outdoor concert venue. The twin medieval Forests of Mara and Mondrem were created within the county palatine of Cheshire by the Norman Earls of Chester in the late 11th century. However the area might have earlier been an Anglo-Saxon hunting forest.
Delamere Forest small tortoiseshell are common in the Old Pale area. Adders have been observed in the woodland, and mammals seen here include badgers, foxes and bats. Two Sites of Special Scientific Interest (SSSIs) lie within the area of Delamere Forest owned by the Forestry Commission. Black Lake () is an example of the rare quaking bog or "schwingmoor" habitat, a type of bog in which bog vegetation forms a raft which floats on top of water. The site is particularly notable for including the very earliest stages in quaking bog development, although all stages are present, from open water to largely