and is open to the public. Unrestricted access has led to problems such as erosion. Maiden Castle has been damaged by animal burrows and is designated as "at high risk" due to erosion caused by visitors and the spread of bracken. Five of Cheshire's seven hill forts have been assessed as being "at high risk" compared to 15% of North West England's Scheduled Monuments. See also Hillforts in Britain List of hill forts in England Scheduled Monuments in Cheshire (pre-1066) References Bibliography Further reading Hill forts in Cheshire Scheduled monuments in Cheshire National Trust properties in Cheshire