Lake Tahoe is a large freshwater lake in the Sierra Nevada mountains of the United States. At a surface elevation of 6,225 ft (1,897 m), it is located along the border between California and Nevada, west of Carson City, Nevada. Lake Tahoe is the largest alpine lake in North America. Its depth is 1,645 feet (501 metres) making it America's second-deepest (the deepest is Crater Lake in Oregon, being 300 ft deeper, at 1,945 feet (594 m) deep).