Lake Tahoe is one of the deepest (1645 feet/501 m), largest (192 sq. mi./497 km²), and highest (6229 feet/1898 m) lakes in the United States. Only Oregon's Crater Lake is deeper at 1930 feet (588 m).
but be careful the altitude of the lake is so high you might have trouble breathing.
Media related to Lake Tahoe at Wikimedia Commons