The first park on the site was set out by John of Tours the Bishop of Bath and Wells around 1100, as part of a deer park, and subsequently sold to Humphrey Colles and then Matthew Colhurst. It is set in a small valley with steep sides, from which there are views of the city of Bath. Prior Park's landscape garden was laid out by the poet Alexander Pope between the construction of the house and 1764. During 1737, at least 55,200 trees, mostly elm and Scots pine, were planted, along the sides and top of the valley. No trees were planted on the valley floor. Water was channeled into fish ponds at the bottom of the valley.