It flows south into Clatworthy reservoir and then to Greenham where it changes course to go north - east to Taunton .
The River Tone originates at Beverton Pond on the Brendon Hills in the west of Somerset .
Somerset flows south into Clatworthy reservoir and then to Greenham where Somerset changes course to go north - east to Taunton .
The River Tone originates at Beverton Pond on the Brendon Hills in the west of Somerset .