Moor Copse is a 65-hectare (160-acre) nature reserve west of Reading in Berkshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. Parts of it are in Sulham and Tidmarsh Woods and Meadows, which is a Site of Special Scientific Interest.
Bix Bottom is a 102.3-hectare (253-acre) biological Site of Special Scientific Interest north-west of Henley-on-Thames in Oxfordshire. It is owned and managed as Warburg Nature Reserve by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Chimney Meadows is a 49.6-hectare (123-acre) biological Site of Special Scientific Interest between Abingdon-on-Thames and Faringdon in Oxfordshire. It is also a national nature reserve, and part of the 308-hectare (760-acre) Chimney Meadows nature reserve, which is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Bacombe and Coombe Hills is a 76.4-hectare (189-acre) biological Site of Special Scientific Interest in Upper Bacombe in Buckinghamshire. Bacombe Hill was formerly owned by Buckinghamshire County Council, which transferred it to Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust in 2014. Coombe Hill is owned by the National Trust.
College Lake is a 65 hectare nature reserve in a former chalk quarry in Pitstone in the Aylesbury Vale district of Buckinghamshire. It is one of the flagship reserves of the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust, and it has an information centre, education facilities, a café, toilets and a shop. It is in the Chilterns Area of Outstanding Natural Beauty. The area east of the lake is a geological Site of Special Scientific Interest called Pitstone Quarry.
Letcombe Valley is a 7.5-hectare (19-acre) nature reserve south of Letcombe Regis in Oxfordshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust (BBOWT), with the assistance of the Friends of Letcombe Valley.
Bernwood Meadows is a 7.5-hectare (19-acre) nature reserve near Oakley in Buckinghamshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Calvert Jubilee is a 22 hectares nature reserve in Calvert near Steeple Claydon in Buckinghamshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust (BBOWT). In July 2020, High Speed 2 (HS2) announced it would take possession of 20% of the reserve and clear it.
Yoesden, often known as Yoesden Bank, is a 13-hectare (32-acre) nature reserve in Bledlow Ridge in Buckinghamshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is in the Chilterns Area of Outstanding Natural Beauty.
Hosehill Lake is a 23.6-hectare (58-acre) Local Nature Reserve west of Reading in Berkshire. It is owned by West Berkshire Council and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
The Nature Discovery Centre is a 35-hectare (86-acre) nature reserve in Thatcham in Berkshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Padworth Common Local Nature Reserve is a 28-hectare (69-acre) Local Nature Reserve on the edge of the hamlet of Padworth Common, between Reading and Newbury in Berkshire. It is owned by West Berkshire Council and managed by Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Kintbury Newt Ponds is a 3-hectare (7.4-acre) nature reserve in Kintbury in Berkshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Haymill Valley is a 7.8-hectare (19-acre) Local Nature Reserve in Slough in Berkshire. It is owned by Slough Borough Council and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. The site is known locally as The Millie.
Audrey's Meadow is a 2-hectare (4.9-acre) nature reserve in Newbury in Berkshire. It is owned by West Berkshire Council and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Hurley Chalk Pit is a 1-hectare (2.5-acre) nature reserve west of Maidenhead in Berkshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Woodsides Meadow is a 4-hectare (9.9-acre) nature reserve south of Wendlebury in Oxfordshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is part of Wendlebury Meads and Mansmoor Closes, which is a Site of Special Scientific Interest.
Blenheim Farm is a 1-hectare (2.5-acre) nature reserve near Charlbury in Oxfordshire. It is owned and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Cothill Fen is a 43.3-hectare (107-acre) biological and geological Site of Special Scientific Interest north-west of Abingdon-on-Thames in Oxfordshire. It is a Special Area of Conservation and parts of it are a Geological Conservation Review site, a Nature Conservation Review site, Grade 1, and a National Nature Reserve. It also includes two areas which are nature reserves managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust, Lashford Lane Fen and Parsonage Moor.
Hitchcopse Pit is a 3-hectare (7.4-acre) nature reserve north-west of Abingdon-on-Thames in Oxfordshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is part of Frilford Heath, Ponds and Fens, which is a Site of Special Scientific Interest.
