In the 11th century William the Conqueror was fond of staying the winter at Gloucester, just eight miles away and it is not unreasonable to assume King William rode over the gentle slopes of what became Charlton Park. During the following centuries, a succession of monarchs possessed the Manor of Cheltenham. In 1788 King George III stayed in the town and visited Charlton Park. This lengthy history of royal owners and visitors appears to have resulted in the regal naming of Charlton Park's modern roads, laid down between 1976 and 1983.
From J.K. Griffiths 'New General Cheltenham Guide' 1816 -
Returning from Cowley down Leckhampton Hill within a mile of Cheltenham, we arrive at the seat and park of W. H. Prinn Esq. Shrouded amid luxuriant scenery to the right, and enlivened by herds of deer
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