Distance, difficulty gradings and route information are described below:
Grade C
Easy: a maximum of 4 hours to cover 7.5 miles with minimal ascent on paths/tracks/roads always at a comfortable pace.
Grade C+
Easy to moderate: typically, up to 300m ascent (gentle gradients) 5.5-7.5 miles or up to 10 miles on flatter walks which should take 4-5 hours. Suitable for anyone with average fitness/limited walking experience.
Grade B
Moderate: usually on paths/tracks, 300-600m ascent (with possibly some steep sections) 6-10 miles or up to 12.5miles on flatter walks. Expect to be walking for 5-6 hours.