Westcott is a village in central Surrey, England, about 1.5 miles (2.5 km) west of the centre of Dorking. It is in the Mole Valley district and the Surrey Hills Area of Outstanding Natural Beauty. The Pipp Brook, a tributary of the River Mole, runs to the north of the centre and the settlement is between Ranmore Common on the North Downs and Leith Hill on the Greensand Ridge.

The Pipp Brook is a left-bank tributary of the River Mole, Surrey, England. It rises at two main springs north of Leith Hill on the Greensand Ridge, then descends steeply in a northward direction, before flowing eastwards along the Vale of Holmesdale. It runs to the north of Dorking High Street, before discharging into the Mole at Pixham.