Cols and Passes of the British Isles (Particular Books, Penguin) is available as an e-book, from which the data can be extracted. This site provides the pared-down data in a more convenient form.
Graham Robb is a cultural historian and biographer, a Fellow of the Royal Society of Literature and a Chevalier dans l’Ordre des Arts et des Lettres. He has won the Whitbread Biography Prize and the Heinemann Award for Victor Hugo, as well as the Ondaatje Prize and Duff Cooper Prize for The Discovery of France. After the French publication of Parisians: An Adventure History of Paris, he was awarded the Grande Médaille de la Ville de Paris. His latest books are The Ancient Paths and The Debatable Land: The Lost World Between Scotland and England (Picador, February 2018). He lives on the English-Scottish border, without a car, and within a day’s ride of one hundred and seventy cols.
Books by Graham Robb published by Picador:
https://www.panmacmillan.com/search?searchtext=Graham-Robb&tab=allresults¤tpage=1
Cols and Passes of the British Isles 