The Pipp Brook is a tributary of the River Mole. It rises at Mag's Well on the northern slopes of Leith Hill

Leith Hill

Leith Hill to the south west of Dorking, Surrey, England, reaches above sea level, the highest point on the Greensand Ridge, and is the second highest point in south-east England, after Walbury Hill near Hungerford, West Berkshire, high....

 and runs to the north of Dorking

Dorking

Dorking is a historic market town at the foot of the North Downs approximately south of London, in Surrey, England.- History and development :...

 town centre before joining the Mole at Pixham

Pixham

Pixham is a village in Surrey located approximately 1 km north east of Dorking at the confluence of the River Mole and the Pipp Brook.-History:...

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During the nineteenth century the sulphate-rich waters of the Mag's Well spring were believed to have healing properties.

Watermills

During the 19th century there were six corn mills on the river (Rookery Mill, Westcott Mill, Milton Court Mill, Parsonage Mill, Pipp Brook Mill and Pixham Mill).