The length (in miles) of a walk is an approximation of the overall of the walking guide, not a measure of the distance "as the crow flies" between any two points. This is based on the GPX file that was created when the author walked the route and rounded to the nearest mile.length
The grade of a walk is an indicator of how difficult it is to walk. This does not take into account the walk length but does suggest how challenging the walk will be. An easy walk, graded as 1 (and shown as 1 walking boot) indicates a walk that is essentially flat, has no sharp hills to climb, has no stiles or other obstacles, is easy to navigate (probably along a well-worn path) and is suitable for most levels of fitness. Do be aware that the level of stamina required will vary and you should only walk within your limits - the indication of walk length will help with this. A difficult walk, graded as 5 (and represented by 5 boots) indicates a walk that is strenuous and involves steep ascents and/or descents. It may be technically challenging involving difficult terrain or obstacles.
Please note that the grading for walks is subjective and open to interpretation and should only be used as a guide when selecting a walk.
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