Lake Tahoe is a large freshwater lake in the Sierra Nevada 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. Lake Tahoe is the largest alpine lake in North America. Its depth is 1,645 ft (501 m), making it the USA's second-deepest (the deepest is Crater Lake in Oregon, being 300 ft (91 m) deeper, at 1,945 ft (593 m)). Additionally, Lake Tahoe is listed as the 26th largest lake by volume in the world at 122,160,280 acre·ft (150.68249 km3).