Hill Classification
Abbrev.List nameHeight
range
Drop
range
CountriesNotes
MaMarilyn150m +SWEIM
Ma=Marilyn twin-top30-150mSWEIMEqual in height to another Marilyn where the drop between the two is less than 150m and at least 30m
HuHump100m +SWEIMC
Hu=Hump twin-top30-100mSWEIMCEqual in height to another HuMP where the drop between the two is less than 100m and at least 30m
TuTump (all)30m +SWEM
SimSimm600m +30m +SWEIMActual Simms are SWE only - I and M added for completeness
MMunro3000ft +SAs listed on a table maintained by the Scottish Mountaineering Club (SMC)
MTMunro Top3000ft +SAt least 3000ft but considered to be a subsidiary top of a Munro
FFurth3000ft +WEIHills outside Scotland with height at least 3000ft and listed on a table maintained by the SMC
CCorbett2500-2999ft500ft +S
GGraham2000-2499ft150m +S
DDonald2000ft +100ft +SHills in the Scottish Lowlands
DTDonald Top2000ft +50ft +SHills in the Scottish Lowlands
DNNew Donald2000ft +30m +SRationalization of the Donalds and Donald Tops
HewHewitt2000ft +30m +WEI
NNuttall2000ft +15m +WE
5Dewey500-609m30m +WEM
5DDonald Dewey500-609m30m +S500m hills in Scottish Lowlands
5HHighland Five500-609m30m +S500m hills in Scottish Highlands
4400-499m hill400-499m30m +SWEIM
3300-399m hill300-399m30m +SWEM
2200-299m hill200-299m30m +SWEM
1100-199m hill100-199m30m +SWEM
00-99m hill0-99m30m +SWEM
sMaSubmarilyn140-149mSWEIM
sHuSubhump90-99mSWEIMC
sSimSubsimm600m +20-29mSWEIM
s5Subdewey500m +20-29mWEM
s5DSubdonald Dewey500m +20-29mS
s5HSubhighland Five500m +20-29mS
s5MSubmyrddyn Dewey500m +20-29mI
s4Sub490-499m hill490-499m20-29mSWEIM
WWainwrightEHills listed in volumes 1-7 of Wainwright's A Pictorial Guide to the Lakeland Fells
WOWainwright Outlying FellEHills listed in The Outlying Fells of Lakeland
BBirkett1000ft +ELake District hills listed in Bill Birkett's Complete Lakeland Fells
SySyngeELake District hills listed in The Lakeland Summits: Survey of the Fells of the Lake District National Park by Timothy Synge
FelFellrangerEHills appearing in the Lakeland Fellranger walking guides by Mark Richards
CoHHistoric County TopSWEIMCounty tops for county boundaries up to the mid 1960s
CoUCurrent County/UA TopSWEIMTops for current administrative counties and unitary authorities
CoAAdministrative County TopSWEMTops for administrative counties which existed from the mid 1970s to the 1990s
CoLLondon Borough TopETops for each London Borough
SIBSIBSWESignificant Islands of Britain (Main), an island with at least 30 hectares of area or a prominence of 30m
DilDillon2000ft +IAs listed in Paddy Dillon's The Mountains of Ireland
VLVandeleur-Lynam600m +15m +I
AArderin500m +30m +I
5MMyrddyn Dewey500-609m30m +I
xMTDeleted Munro TopSHills formerly on the Munro or Munro Tops list which have been found not to qualify
xCDeleted CorbettSHills formerly on the Corbetts list which have been found not to qualify
xGDeleted GrahamSHills formerly on the Grahams list which have been found not to qualify
xNDeleted NuttallWEHills appearing in the Nuttalls books as "Deleted" Nuttalls (most were never on the Nuttalls list)
xDTDeleted Donald TopSHills formerly on the Donald or Donald Tops list which have been found not to qualify
MurMurdo3000ft +30m +SScottish hills over 3000 feet high with a drop of at least 30m on all sides (now superseded by the Simms along with Corbett Tops and Graham Tops)
CTCorbett Top2500-2999ft30m +SScottish hills between 2500 and 2999 feet high with a drop of at least 30m on all sides (now superseded by the Simms along with Murdos and Graham Tops)
GTGraham Top2000-2499ft30m +SScottish hills between 2000 and 2499 feet high with a drop of at least 30m on all sides (now superseded by the Simms along with Murdos and Corbett Tops)
BLBuxton & Lewis2000ft +WEMPublished in by Buxton & Lewis in 1986 (no longer maintained)
BgBridge2000ft +WEMPublished by George Bridge in 1973 (no longer maintained)
CaCarn400-499m30m +IAs classified on the Mountain Views website
BinBinnion0-400m100m +IAs classified on the Mountain Views website
T100Trail 100SWEIMA subjective list of 100 UK hills which appeared in the April 2007 issue of Trail Magazine
P600P600m Peaks600m +SWEIMBritish and Irish hills with at least 600m of prominence, also known as the Major Mountains of Britain & Ireland
P500P500m Peaks500m +SWEIMBritish and Irish hills with at least 500m of prominence
OOther listsSWEIMHills appearing on other lists not currently featured on the database/website
UnUnclassifiedSWEIMHills not appearing on any list, or hills which formerly appeared on a list but have since been removed

Country

S = Scotland; E = England; W = Wales; I = Ireland; M = Isle of Man; C = Channel Islands