There are 541 Birketts, which include 209 of the 214 Wainwrights, and 59 of the 116 Wainwright Outlying Fells. Birketts range from hills, such as the smallest Birkett, Great Stickle, at , to major mountains in the British Isles, such as Scafell Pike, at just over . While 65 of the Birketts have a prominence above , and are Marilyns, 159 have a prominence below , and 42 of these are below . 54 of the 514 peaks are solely Birketts, and meet no other mountain or hill classification in the British Isles.