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Hill lists explained

British hills are sorted into lists by height, by how far they stand above their surroundings, or by who wrote about them. Ticking off a list is called bagging.

Height and drop

Most lists use two numbers. Height is how far the summit is above sea level. Drop (also called prominence) is how far you'd have to descend before you could climb to anything higher: it separates a real hill from a bump on a ridge. Older lists use feet, which is why the thresholds look odd in metres: 3,000 ft is 914.4 m and 2,000 ft is 609.6 m.

Other names you'll hear

  • Marilyn: any hill in Britain or Ireland with at least 150 m of drop, whatever its height. Many hills on TRXO are Marilyns as well as something else.
  • Munro Top: a subsidiary summit over 3,000 ft that isn't counted as a separate Munro.
  • Nuttall: a hill in England or Wales over 2,000 ft with at least 15 m of drop.
  • Furth: a 3,000 ft mountain in England, Wales or Ireland: "furth of" (outside) Scotland.
  • Compleation: finishing the Munros, spelt that way by tradition.

Heights and lists on TRXO come from the Database of British and Irish Hills (DoBIH_v18_6), CC BY 4.0. Lists change slightly as hills are re-surveyed.

Start ticking, or upload GPX tracks of hills you've already climbed.

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