Mole Valley Mole Valley Mole Valley is a local government district in Surrey, England. Its council is based in Dorking. The two towns in the district are Dorking and Leatherhead. The largest villages are Ashtead, Fetcham and Great Bookham, in the northern third of the district. The rest of the district includes some of the Surrey Hills AONB, the middle of the district is dominated by the North Downs, including Polesden Lacey, Box Hill, Denbies Wine Estate (the largest vineyard in the country ) and parts of the Pilgrims' Way, the southern third includes Leith Hill and the Greensand Ridge. There are
River Mole is thought to have merged with the River Wey near Byfleet and then flowed in a north-easterly direction via Richmond to meet the proto-Thames near Ware in Hertfordshire, (today the Mole and Wey are less than apart at their closest point near Painshill Park). During the Middle Pleistocene period, a large ice sheet built up across much of the East of England, reaching as far south as St Albans and Chelmsford, blocking the path of the proto-Thames. Glacial meltwater from the Anglian ice sheet, caused the Thames to divert southwards and flood the valley of the Mole–Wey river, thus adopting