4169 Lakeview Terrace
Lucerne, CA 95458

Clear Lake
Location	Lake County, California
Coordinates	39.0616°N 122.8272°WCoordinates: 39.0616°N 122.8272°W
Lake type	Eutrophic/hypereutrophic
Primary inflows	Scotts Creek Middle Creek Forbes Creek Morrison Creek Seigler Canyon Ceek Shindler Creek Kelsey Creek Adobe Creek Manning Creek
Primary outflows	Cache Creek
Basin countries	United States
Max. length	19 mi (31 km)
Max. width	8 mi (13 km)
Surface area	68 sq mi (180 km2)
Average depth	27 ft (8.2 m)
Max. depth	60 ft (18 m)
Water volume	1,155,000 acre⋅ft (1,425,000 dam3)
Shore length1	100 mi (160 km)
Surface elevation	1,329 ft (405 m)
Islands	Anderson Island Fruit Island Garner Island Indian Island Rattlesnake Island Slater Island Stubbs Island Tule Island Weekend Island
Settlements	Clearlake, California Clearlake Oaks, California Finley, California Glenhaven, California Kelseyville, California Lakeport, California Lower Lake, California Lucerne, California Middletown, California Nice, California Upper Lake, California Clearlake Oaks, California
References	[1]
1 Shore length is not a well-defined measure.

Clear Lake is a natural freshwater lake in Lake County in the U.S. state of California, north of Napa County and San Francisco. It is the largest natural freshwater lake wholly within the state, with 68 square miles (180 km²) of surface area. At 480,000 years, it is the oldest lake in North America.^[2] It is the latest lake to occupy a site with a history of lakes stretching back at least 2,500,000 years.^[3]