... came to a part of the mountain completely broken up by barrancos and ramblas of vast depth and shagged with rocks and precipices. It was impossible to maintain the order of march; the horses had no room for action, and were scarcely manageable, having to scramble from rock to rock and up and down frightful declivities where there was scarce footing for a mountain-goat. ... — Chronicle of the Conquest of Granada • Washington Irving