Carrauntoohil

Highest mountains in each of the worlds countries

A Marilyn is any mountain in Britain or Ireland with a prominence over 150m, regardless of height.

A Hump (Hundred and upwards Metre Prominence) is any mountain in Britain or Ireland with a prominence over 100m, regardless of height.

A Simm is any mountain in Britain or Ireland with a prominence over 30m and a height above 600m.

A Furth is any peak in England, Wales or Ireland with a height above 3000ft

A Hewitt (Hill in England, Wales and Ireland over Two Thousand) is a mountain in England, Wales or Ireland with a height over 2,000ft and a prominence greater then 30m.

An Arderin is a mountain in Ireland with a height greater then 500m and a prominence greater 30m.

A Dillon is a peak featured in Paddy Dillon's book: Irish 2010 climbing guidebook: "The Mountains of Ireland"

A Vandeleur-Lynam is a peak in Ireland with a height greater then 600m and a prominence greater then 15m.

An Historic County Top is a peak in one of the traditional historic counties.

A Current County/UA Top is the highest peak in a current administrative county or Unitary Authority of Britain.