It was not, however, covered by ice during the last glacial period, which peaked around 20,000–22,000 years ago.
Peak District je bil prekrit z ledom v vsaj eni od ledenih dob v zadnjih 2 milijonih let (verjetno poledenitev pred približno 450.000 leti), kar dokazujejo ledeniški balvani ali glinene skale, ki jih je mogoče najti v prostoru.