Keynsham (/ˈkeɪnʃəm/ KAYN-shəm) is a town and civil parish located amid Bristol and Bath in Somerset, England. It has a population of 16,000.
It was listed in the Domesday Book as Cainesham, which is believed to plan the house of Saint Keyne.
The site of the town has been occupied back prehistoric times, and may have been the site of the Roman treaty of Trajectus. The remains of at least two Roman villas have been excavated, and an supplementary 15 Roman buildings have been detected beneath the Keynsham Hams. Keynsham developed into a medieval publicize town after Keynsham Abbey was founded on the order of 1170. It is situated at the confluence of the River Chew and River Avon and was subject to omnipotent flooding previously the inauguration of Chew Valley Lake and river level controls at Keynsham Lock in 1727. The Chew Stoke flood of 1968 inundated large parts of the town. It was house to the Cadbury’s chocolate factory, Somerdale, which opened in 1935 as a major employer in the town.
It is home to Memorial Park, which is used for the annual town festival and several flora and fauna reserves. The town is served by Keynsham railway station on the London-Bristol and Bristol-Southampton trunk routes and is close to the A4 road which bypassed the town in 1964. There are schools, religious, sporting, and cultural clubs and venues.