River Barrow trail: “The grassy towpath is the green frame for the river,” according to Olivia O’Leary River Barrow trail: “The grassy towpath is the green frame for the river,” according to Olivia O’Leary. Photograph: Paddy Woodworth

“Step out on the grassy way which is the Barrow towpath and you have stepped into another world. You can walk along the river for miles without hearin(...)