Navenby, Coleby and Boothby Graffoe
On the Lincoln Cliff, through historic countryside once occupied by the Romans. This walk takes in one of the most attractive sections of the Lincoln Cliff, a narrow limestone ridge that runs across this part of Lincolnshire. The city of Lincoln occupies a gap made in the Cliff by the River Witham. From Lincoln, Ermine Street, the ancient Roman road, runs south along the Cliff and the walk follows it for a couple of miles (3.2 km) along a section known locally as High Dyke.