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A hill is classified as a Marilyn if it is a hill of any height with a drop of at least 150 metres or more on all sides. The name was coined as a punning contrast to the designation Munro, used for a Scottish mountain with a height of more than 3000 feet.

The book that introduced Marilyns to the world was Alan Dawson's The Relative Hills of Britain: Mountains, Munros and Marilyns.

There are over 1500 Marilyns in Great Britain and they vary greatly in character from our greatest hills such as Ben Nevis and Scafell Pike to the highest point of the Weald which lies within the East Sussex town of Crowborough.

Click on any Marilyn on the map below to find out more about it or search our database using the hill finder:

WalkLakes recognises that hill walking, or walking in the mountains, is an activity with a danger of personal injury or death.
Participants in these activities should be aware of and accept these risks and be responsible for their own actions.