Chiltern Hills

Chiltern Hills
Highest point
PeakHaddington Hill
Elevation267 m (876 ft)
Dimensions
Length74 km (46 mi)
Width18 km (11 mi)
Area1,700 km2 (660 sq mi)
Geography
Map of England with a green area representing the location of the Chiltern Hills AONB
Location of the Chiltern Hills AONB in England
LocationSoutheast of England
East of England
CountryUnited Kingdom
CountiesBedfordshire
Buckinghamshire
Hertfordshire
Oxfordshire
Range coordinates51°40′N 0°55′W / 51.667°N 0.917°W / 51.667; -0.917
Geology
Type of rockchalk downland

The Chiltern Hills are a chalk escarpment in southern England,[1] northwest of London, covering 660 square miles (1,700 km2) across Oxfordshire, Buckinghamshire, Hertfordshire, and Bedfordshire, stretching 45 miles (72 km) from Goring-on-Thames in the southwest to Hitchin in the northeast. The hills are 12 miles (19 km) at their widest.

In 1965, almost half of the Chiltern Hills was designated as an Area of Outstanding Natural Beauty (AONB). The northwest boundary is clearly defined by the escarpment. The dip slope is by definition more gradual, and merges with the landscape to the southeast.[2] The southwest endpoint is the River Thames. The hills decline slowly in prominence in northeast Bedfordshire.[3][4]

  1. ^ Chisholm, Hugh, ed. (1911). "Chiltern Hills" . Encyclopædia Britannica. Vol. 6 (11th ed.). Cambridge University Press. p. 163.
  2. ^ Cite error: The named reference HeppleDoggett was invoked but never defined (see the help page).
  3. ^ The Changing Landscape of the Chilterns Archived 3 March 2016 at the Wayback Machine Chilterns AoNB, Accessed 19 February 2012
  4. ^ Chiltern Society, The Chilterns Archived 7 September 2011 at the Wayback Machine.

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