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.
Thomas Cholmondeley, 4th Baron Delamere only) Baron Mount Temple (of the second creation), and Amalia Mary Maud Cassel. This second marriage ended in divorce in 1955. On 26 March 1955, Lord Delamere married, thirdly, Diana Caldwell (1913-1987), daughter of Seymore Caldwell, better known as Diana Delves-Broughton. Baron Delamere died at age 79 in August 1979; and he was succeeded in the lands, estates and title by his son from his first marriage, Hugh Cholmondeley, 5th Baron Delamere. Thomas Cholmondeley, 4th Baron Delamere Thomas Pitt Hamilton Cholmondeley, 4th Baron Delamere (; 19 August 1900– 13 April 1979), styled The Honourable Thomas Cholmondeley from birth until 1931,