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. Civil parishes can trace their origin to the ancient system of parishes, w ...

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

Oxford Oxford () is a City status in the United Kingdom, cathedral city and non-metropolitan district in Oxfordshire, England, of which it is the county town. The city is home to the University of Oxford, the List of oldest universities in continuou ...

, in the English county of

Oxfordshire Oxfordshire ( ; abbreviated ''Oxon'') is a ceremonial county in South East England. The county is bordered by Northamptonshire and Warwickshire to the north, Buckinghamshire to the east, Berkshire to the south, and Wiltshire and Glouceste ...

. In 1974 it was transferred from Berkshire. It is also the name of the ribbon development between the original Cumnor village and Botley, outside the

ring road A ring road (also known as circular road, beltline, beltway, circumferential (high)way, loop 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 in reducin ...

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 in Wiltshire, England. At the time of the 2021 Census the population of the built-up area was 183,638, making it the largest settlement in the county. Located at the northeastern edge of the South West England region, Swi ...

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

References

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