The River Kelvin is a tributary of the River Clyde in northern and northeastern Glasgow, Scotland. It rises on the moor south east of the village of Banton, east of Kilsyth. At almost 22 miles long, it initially flows south to Dullatur Bog where it falls into a man made trench and takes a ninety degree turn flowing west through Strathkelvin and along the no…The River Kelvin is a tributary of the River Clyde in northern and northeastern Glasgow, Scotland. It rises on the moor south east of the village of Banton, east of Kilsyth. At almost 22 miles long, it initially flows south to Dullatur Bog where it falls into a man made trench and takes a ninety degree turn flowing west through Strathkelvin and along the northern boundary of the bog parallel with the Forth and Clyde Canal.