Selected lists
These are some of the most interesting and useful lists as I see them. The Munros and Corbetts are classic lists, whereas the lists below for England and Wales are slightly unusual.
The Munros 284 Scottish mountains over 3,000ft (915m) chosen by the SMC for their prominence
The Corbetts The 219 Scottish mountains between 2,500ft (762m) and 2,999ft (914m) with 500ft (152m) drop all round
Lists in North & Mid Wales The Welsh 3000s and the Corbetts and Corbett Tops of N and Mid Wales
Lists in the Lakes Munros and Munro Tops, Corbetts and Corbett Tops and Grahams and Graham Tops in the Lakes
Lists in the Pennines The Three Peaks, Corbetts and Corbett Tops and Grahams and Graham Tops in the Pennines
Lists in the Brecon Beacons Corbetts, Corbett Tops, Grahams and Graham Tops in the Brecon Beacons
Headings in the lists
Grid Ref Grid references refer to a unique 100m by 100m square of land and are taken from the grid lines on the maps.
Peak Names of peaks are taken from the maps rather than from guidebooks, except when no name is given on the map.
Massif/Area The group to which a peak belongs, or the area it's in.
Height [m] Heights are taken in metres from the maps, using spot heights where given and estimating from the position of contour lines where no spot heights are given.
Height [ft] Heights in feet are found by multiplying the heights in metres by 3.2808 and rounding up or down.
Drop [m] A mountain's drop (or relative height, or prominence) is the difference between the height of the mountain and the height of the highest col connecting the mountain to a higher mountain. Thus drop is a measure of the height that must be climbed to reach the mountain: it's designed to stop easy bumps on ridges from being classified as separate mountains in their own right. (Most col heights are not given on the OS maps; where they aren't, the height is estimated from the position of the contour lines.)
Where the data came from
The Munros, Corbetts and Welsh 3000s are now well in the public domain.
For the other lists (the Munro, Corbett and Graham critera applied to England and Wales) getting the data was a matter of poring over the maps, looking for all relevant peaks, and reading off the info. Specifically:
The Munros:
The Munros, D. Bennet (Ed), 2nd Edition, SMC, 1991 (and subsequent revisions due to updates to Munro's Tables, also by the SMC): For the basic list
OS 1:50,000 and 1:25,000 maps: For more data on heights and grid references
The Corbetts:
The Corbetts and Other Scottish Hills, D. Bennet et al (Eds), SMC, 1990: For the basic list
OS 1:50,000 and 1:25,000 maps: For more data on heights and grid references
Peaks in North & Mid Wales:
OS 1:25,000 maps: For heights, drops and grid references
Peaks in the Lakes:
OS 1:25,000 maps: For heights, drops and grid references
Peaks in the Pennines:
OS 1:25,000 maps: For heights, drops and grid references
Peaks in the Brecon Beacons:
OS 1:25,000 maps: For heights, drops and grid references
Errors and omissions
I'm grateful to those people who have emailed me to point out errors and omissions in the lists. If you spot any more, please let me know.
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