The Thames Basin Heaths are a natural region in southern England in Berkshire, Hampshire and Surrey, a slightly mottled east-west belt of ecologically recognised and protected land.
Inset towns include Newbury, Camberley, Ascot and Woking, To the west sit the Berkshire Downs, across similar size, well-drained, and intensively farmed, sports-use or settled Thames floodplains to the north are the similarly protected Chilterns and to the near south are the Hampshire Downs.
The terrain of the heathland is characterized by flat or gently sloping plateaux with numerous watercourses incising broad or sometimes steep-sided valleys.
The zone has: There are many Sites of Special Scientific Interest or SSSIs within – one of the largest is the Broadmoor to Bagshot Woods and Heaths SSSI where rare types of birds and other species are professionally monitored and conserved.
Chiefly these are the: To a lesser extent (the narrower) main routes of rail and road: No wildlife crossings to abate these obstacles have yet been made.