Knowle Hill () is a hill in the

Chew Valley The Chew Valley is an affluent area in North Somerset, England, named after the River Chew, which rises at Chewton Mendip, and joins the River Avon at Keynsham. Technically, the area of the valley is bounded by the water catchment area of ...

Somerset Somerset ( , ), Archaism, archaically Somersetshire ( , , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by the Bristol Channel, Gloucestershire, and Bristol to the north, Wiltshire to the east ...

, England situated between the village of

Chew Magna Chew Magna is a village and civil parish within the Chew Valley in the unitary authority of Bath and North East Somerset, in the ceremonial county of Somerset, England. The parish has a population of 1,149. To the south of the village is Chew ...

and

Chew Valley Lake Chew Valley Lake () is a reservoir in Chew Stoke, Chew Valley, Somerset, England. It is the fifth-largest artificial lake in the United Kingdom, with an area of . The lake, created in the early 1950s, was opened by Queen Elizabeth II in 1956. ...

. The south side of the summit of Knowle Hill is home to the grass Wood Small-reed (''Calamagrostis epigejos''). The population of this plant forms a circular patch some 20 metres wide, which is visible from Bishop Sutton 1.2 km south across Hollow Brook. It has been suggested that this patch is a single clone which has spread by means of underground

rhizome In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and Shoot (botany), shoots from its Node (botany), nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from ...

s, and may be 200 years old. The hill is declared open access land under the

Countryside and Rights of Way Act 2000 The Countryside and Rights of Way Act 2000 (c. 37), also known as the CRoW Act and "Right to Roam" Act, is a United Kingdom Act of Parliament affecting England and Wales which came into force on 30 November 2000. Right to roam The Act impleme ...

and is on the route of the Chew Valley Three Peaks walk, and the Two Rivers Way.

References

Bath and North East Somerset Environment of Somerset Hills of Somerset {{Somerset-geo-stub