It is located in the vicinity of the small community of Creston and was established on October 8, 2014 by the Alcohol and Tobacco Tax and Trade Bureau (TTB), Treasury after reviewing the petitions submitted in 2007 by the Paso Robles American Viticultural Area Committee (PRAVAC) to establish 11 new viticultural areas located entirely within the existing Paso Robles viticultural area adjacent to the northern boundary of San Luis Obispo County.
[3][4] It lies on an old erosional plateau at the base of the La Panza Range with alluvial terraces and fans of Huerhuero Creek.
The area rises 1,000 to 2,000 feet (300–610 m) in elevation and the average annual rainfall is 11.5 inches (292 mm).
[2][5] The district soil is old, well developed terrace and hillside mix composed of granite and sedimentary rocks.
[4] The most widely planted varieties are Cabernet Sauvignon, Merlot, Petite Sirah, Syrah, Zinfandel.