The Black Hills (Ȟe Sápa in Lakota, Moʼȯhta-voʼhonáaeva in Cheyenne, awaxaawi shiibisha in Hidatsa) are a small, isolated mountain range rising from the Great Plains of North America in western South Dakota and extending into Wyoming, United States. Harney Peak, which rises to , is the range's highest summit. The Black Hills encompass the Black Hills National Forest. The name "Black Hills" is a translation of the Lakota Pahá Sápa. The hills were so-called because of their dark appearance from a distance, as they were covered in trees.