Cumnor Hill is a hill in the

civil parish In England, a civil parish is a type of administrative parish used for local government. It is a territorial designation which is the lowest tier of local government below districts and counties, or their combined form, the unitary authorit ...

Cumnor Cumnor is a village and civil parish 3½ miles (5.6 km) west of the centre of Oxford, England. The village is about 2 miles (3.2 km) south-west of Botley and its centre is west of the A420 road to Swindon. The parish includes Cumn ...

, to the west of (but not within) the city of

Oxford Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...

, in the

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ...

county of

Oxfordshire Oxfordshire is a ceremonial and non-metropolitan county in the north west of South East England. It is a mainly rural county, with its largest settlement being the city of Oxford. The county is a centre of research and development, primaril ...

. In 1974 it was transferred from Berkshire. It is also the name of the

ribbon development Ribbon development refers to the building of houses along the routes of communications radiating from a human settlement. The resulting linear settlements are clearly visible on land use maps and aerial photographs, giving cities and the coun ...

between the original

village and Botley, outside the

ring road A ring road (also known as circular road, beltline, beltway, circumferential (high)way, loop, bypass or orbital) is a road or a series of connected roads encircling a town, city, or country. The most common purpose of a ring road is to assist i ...

on the outskirts of Oxford. The road up Cumnor Hill was the original route of the A420 between Oxford and

Swindon Swindon () is a town and unitary authority with borough status in Wiltshire, England. As of the 2021 Census, the population of Swindon was 201,669, making it the largest town in the county. The Swindon unitary authority area had a population ...

, until the Cumnor Hill by-pass was built in the 1970s. The road is now unclassified. At the top of Cumnor Hill is the hamlet of Chawley, where the

Kimmeridge Clay The Kimmeridge Clay is a sedimentary deposit of fossiliferous marine clay which is of Late Jurassic to lowermost Cretaceous age and occurs in southern and eastern England and in the North Sea. This rock formation is the major source rock for Nor ...

is close to the surface. There were brickworks there until 1937. Position:

References

Vale of White Horse Hills of Oxfordshire Villages in Oxfordshire {{Oxfordshire-geo-stub