Patmore Heath is a 7.6 hectare (18.8 acre) biological Site of Special Scientific Interest in East Hertfordshire, 2 kilometres north-east of Albury, Hertfordshire. The site was notified in 1985 under the Wildlife and Countryside Act 1981. Patmore Heath is home to a large amount of dry grass, as well as marshy-areas. Much turf throughout the SSSI is dominated by Deschampsia, as well as occurrences of Anthoxanthum odoratum. The site is managed by the Hertfordshire and Middlesex Wildlife Trust. It is accessed by a path from Albury Road and is open at all times.