A ride between the riverside towns of Kingsbridge and Dartmouth through picturesque Devon villages taking in two stiff climbs.
Look out for the salvaged Sherman tank as you leave Torcross, commemorating the loss of 1,000 American soldiers training for the D Day landings following a surprise attack by German torpedo boats.
The Tour of Britain followed the last 15 miles of this route on the penultimate stage in 2013.