However, the base of Mount Everest is estimated to be 17,000 feet (5,200m), making the vertical rise of the mountain roughly only 12,000 feet (3,660m)! Denali, however, has a very low base height of about 2000 feet (610m) with a peak of 20,310 feet. Making Denali's vertical rise estimated at 18,000 feet (5,500m)!