Читать книгу Walking on the West Pennine Moors. 30 walks around moorland Lancashire онлайн

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 allow 1 hour for every 5km (3 miles) of distance

 add half an hour for each 300m (1000ft) of height gain.

Note ‘Height gain’ and ‘ascent’ are potentially confusing. Height gain is the amount of height you have to climb on a walk, and is the sum total of all the up sections, not just the difference between the starting point and the top of the mountain.

The diagram illustrates the point. Height gain is the sum of the height difference at each of the three points A, B and C.

Naismith’s Rule has been in use for years and is a good guide, but it is a worth keeping notes over a period of a few months and assessing the time your walks actually took against Naismith’s calculation. You may find that you are 10 per cent faster than Naismith, or 15 per cent slower. The value of this is that you can then apply Naismith’s Rule to your walks, and make an adjustment for your personal abilities.

Maps

 1:50000 – all the walks in this book can be found on Ordnance Survey Landranger Sheets 103 (Blackburn and Burnley), and 109 (Manchester).