Mount McKinley  Mount McKinley, also called DenaliMount
McKinley, Alaska.Brett Baunton—Stone/Getty Imageshighest peak in
North America. It is located near the centre of the Alaska
Range, with two summits rising above the Denali Fault in south-
central Alaska, U.S. Its official elevation figure of 20,320
feet (6,194 metres) was established in the early 1950s.
Subsequent attempts to measure the mountain’s height have
yielded different values. One such survey, conducted in 2010
using advanced radar technology, was made public in September
2013 and gave McKinley’s elevation as 20,237 feet (6,168
metres). However, that measurement remained unofficial.  Mount
McKinley lies about 130 miles (210 km) north-northwest of
Anchorage and some 170 miles (275 km) southwest of Fairbanks in
Denali National Park and Preserve. The mountain is essentially a
giant block of granite that was lifted above Earth’s crust
during a period of tectonic activity that began about 60 million
years ago. It rises abruptly some 18,000 feet (5,500