Undulating walk with some beautiful views of unspoilt valleys, woodlands and views of the East Coast Main Line as it passes over the viaduct and through the Welwyn tunnels. Meet London Kings Cross. Buy OPDR to Welwyn North. Train leaves (Platform 10) 9.51, Finsbury Park 10.01 where the leader will board the train, arrives Welwyn North station 10.30. Lunch at the Plume of Feathers pub, Tewin. Distance 7.6 miles. LR166. Leader: Dominique