This American Viticultural Area (AVA) is located in the eastern part of Lake County, California, established in April 2023 and encompassing 7,605 acres (30.78 km²). A transverse valley sitting on a geologic formation known as the Cache Formation, its floor is at 1,322 feet (403 m) above sea level, with foothills rising another 200 to 500 feet. Lake deposits form a soil composed of “tuffaceous and diatomaceous sands and silts, limestone, gravel, and intercalated volcanic rocks”.

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