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.
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.
Gomm Valley is a 4.1-hectare (10-acre) biological Site of Special Scientific Interest in Micklefield, a district of High Wycombe in Buckinghamshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust and is part of the Chilterns Area of Outstanding Natural Beauty. The local planning authority is Wycombe District Council.
Hollowhill and Pullingshill Woods is a 23-hectare biological Site of Special Scientific Interest near Marlow in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty, and the Chilterns Beechwoods Special Area of Conservation. The local planning authorities are Wycombe District Council and Buckinghamshire County Council. Pullingshill Wood is owned by the Woodland Trust, and Hollowhill Wood was formerly owned by Buckinghamshire County Council, but was transferred to the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. Since November 2015 the 7.8-hectare site has been managed by the Trust as "Hog and Hollowhill Woods".
Homefield Wood is a 6.1-hectare (15-acre) Site of Special Scientific Interest in Hambleden in Buckinghamshire. It is owned by the Forestry Commission, and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is part of the Chilterns Area of Outstanding Natural Beauty.
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.
Pilch Fields is an 11.1-hectare (27-acre) biological Site of Special Scientific Interest (SSSI) west of Great Horwood in Buckinghamshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Upper Ray Meadows is a 181-hectare nature reserve, managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust, south of Marsh Gibbon in Buckinghamshire. It is composed of a number of areas, one of which, Long Herdon Meadow, is a biological Site of Special Scientific Interest.
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.
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.
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.
Shepperlands Farm is a 10-hectare (25-acre) nature reserve north-west of Finchampstead in Berkshire. It is 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.
Chinnor Hill is a 26.8-hectare (66-acre) biological Site of Special Scientific Interest east of Chinnor in Oxfordshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Whitecross Green and Oriel Woods is a 63-hectare (160-acre) biological Site of Special Scientific Interest between Oxford and Bicester in Oxfordshire. It is owned and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust under the name Whitecross Green Wood.
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.
CS Lewis Nature Reserve is a 3-hectare (7.4-acre) nature reserve in Risinghurst, a suburb of Oxford in Oxfordshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
