River Mole Brook, Gatwick Stream, Earlswood Brook, Pipp Brook and The Rye, which drains Ashtead. A full list of the tributaries is given in the table below. River Mole The River Mole is a tributary of the River Thames in southern England. It rises in West Sussex near Horsham and flows northwest through Surrey for to the Thames at East Molesey, opposite Hampton Court Palace. The river gives its name to the Surrey district of Mole Valley. The Mole crosses the North Downs between Dorking and Leatherhead, where it cuts a steep-sided valley, known as the Mole Gap, through the chalk. Much
Mole (animal) shrew-moles differ from the common definition of "mole". In Middle English, moles were known as "moldwarp". The expression "don't make a mountain out of a mole hill" – exaggerating problems – was first recorded in Tudor times. By the era of Early Modern English, the mole was also known in English as "mouldywarp", a word having cognates in other Germanic languages such as German ("Maulwurf"), and Danish, Norwegian, Swedish and Icelandic ("muldvarp", "mullvad", "moldvarpa"), where the "muld/mull/mold" part of the word means soil and the "varp/vad/varpa" part means throw, hence "one who throws soil" or "dirt tosser". Male moles are