National Route 6 of the National Cycle Network passes through Watford, Luton, Milton Keynes, Northampton, Market Harborough, Leicester, Derby, Nottingham, Worksop, Sheffield, Manchester, Blackburn, Preston, Lancaster, Kendal and Windermere, and will connect London and Threlkeld (nr. Keswick) in Cumbria when complete.
Link National Route 6 on the Sustrans web site.
See other images of National Cycle Network Route 6