http://tahoe.usgs.gov/facts.html
Maximum depth
(second deepest in the U.S.) 501 m 1,645 ft
Average depth 305 m 1,000 ft
Maximum diameter
(north-south) 35 km 22 mi
Minimum diameter
(east-west) 19 km 12 mi
Surface area 495 km2 191 mi2
Average surface elevation
(above sea level) 1,897 m 6,225 ft
Highest peak (Freel Peak) 3,320 m 10,891 ft