American mountaineering refers to the sport and practice of climbing mountains in the United States. It encompasses various styles, including traditional climbing, sport climbing, and alpine climbing. Popular destinations for mountaineering include the Rocky Mountains, Sierra Nevada, and Appalachian Mountains, where climbers can experience diverse terrains and challenges. The history of American mountaineering dates back to the 19th century, with notable figures like John Muir and William Henry Jackson contributing to its development. Organizations such as the American Alpine Club promote safety, education, and conservation in the sport, helping climbers navigate the complexities of mountain environments.