Toad crossing warning sign to warn of an approved migratory toad crossing in the Peak District National Park on 12th November 2022 in Youlgreave, Derbyshire, The Peak District, United Kingdom. The Peak District is an upland area in England at the southern end of the Pennines. It includes the Dark Peak, where moorland is found and the geology is dominated by gritstone, and the White Peak, a limestone area with valleys and gorges.