Biggar Water

Biggar Water is a river in Lanarkshire  and Peeblesshire, in the Southern Uplands of Scotland.

It forms part of the River Tweed system. It rises, as Biggar Burn, in the north-east of the parish of Biggar, South Lanarkshire and flows about 6+3/4 mi generally south-westerly toward the town of Biggar, where it becomes Biggar Water. It then flows about 5 mi eastwards before its confluence with the Tweed 3/4 mi mile north-east of Drumelzier in Peeblesshire.