Hill Classification Index
Hill Classification
Birkett
Definition
Height range is over 1000ft (304.8m) and are listed in Bill Birkett's book "Complete Lakeland Fells".
Bridge
Height range is over 2000ft (609.6m) with a prominence threshold of 50ft (15.2m). The list was compiled by George Bridge but is no longer maintained. The list was effectively replaced by the Nuttalls (see below).
Buxton & Lewis
Height range is over 2000ft (609.6m) with a prominence threshold of two contour rings on the OS 1:50,000 map, and the number of hills is similar to the Nuttalls and the Bridges. The list was compiled by Chris Buxton & Glyn Lewis and is no longer maintained.
Dewey
A hill in England, Wales or the Isle of Man that exceeds 1640ft (500m) in height but is below 2000ft (609.6m). It must be separated from adjacent tops by a height difference of at least 98ft (30m)on all sides.
Dodd
Hills in Scotland, England, Wales, the Isle of Man and Ireland between 500m (1640ft) and 599.9m (1968ft) high with a drop of at least 30m (98.4ft) on all sides.
Fellranger
Lake District hills included in Mark Richards' Fellranger walking series, a set of eight volumes inspired by the Wainwright guides.
Furths
A 3000ft (914.4m) plus mountain outside Scotland with a drop of at least 98ft (30m) on all sides.
Hewitt
A hill in England, Wales or Ireland over 2000ft (609.6m) with a drop of at least 98ft (30m) on all sides.
Hump
Hills of any height with a drop of 328ft (100m) or more on all sides.
Marilyn
British and Irish hills of any height with a drop of at least 150m (492ft) on all sides.
Nuttall
Hills in England and Wales at least 2000ft (609.6m) high with a drop of at least 15m (50ft) on all sides.
Simm
British hills at least 600m (1968ft) high with a drop of at least 30m (98.4ft) on all sides. The list was created by its author to replace the Murdos, Corbett Tops, Graham Tops and Hewitts.
Synge
Lake District hills over 1000ft (305m) published in Tim Synges's The Lakeland Summits.
Trail 100
A hand-picked list constructed by the experts at Trail magazine, The Trail 100 is a collection of the 100 peaks they consider that all hillwalkers must climb at least once in their lifetime.
Tump
British hills of any height with at least 30m (98.4ft) of drop.
Wainwright
The 214 hills listed in volumes 1-7 of Wainwright's "A Pictorial Guide to the Lakeland Fells".