In mountaineering terminology in the United States, a fourteener is a mountain that meets or exceeds an elevation of 14,000 feet (4,270 m) above mean sea level. Colorado has the majority of fourteeners in the contiguous United States (53), followed by California, which has the second largest group of such peaks in the lower 48 states (12). Climbing all of Colorado's fourteeners is a popular pastime among peak baggers; another popular target is climbing all of the fourteeners in the contiguous United States. Various ski mountaineers have completed ski descents of all the Colorado fourteeners, and the first attempts are being made to complete ski descents of all U.S.