Mount Fairweather is a mountain located 20 km (12 mi) east of the Pacific Ocean on the Canada–United States border. With an elevation of 4,653 metres (15,266 ft), it is the tallest mountain in British Columbia and the seventh-tallest mountain in both Alaska and the United States. Fairweather is part of the Saint Elias Mountains and mostly lies within Glacier Bay National Park and Preserve, though the summit borders Tatshenshini-Alsek Provincial Park.