Appellation - Paso Robles
Sub-appellation(s) - Adelaida District, Creston District, El Pomar District, Estrella District, Geneseo District, Paso Robles Highlands, Willow Creek District, San Juan Creek, Santa Margarita Ranch, Templeton Gap District.
Location - United States (San Luis Obispo County, California); 36th parallel.
Size - 248,500 hectares (614,000 acres).
Rainfall - variable 15.5 in/yr (39 cm/yr) in city of Paso Robles; can be as little as half or as much as triple depending on the region.
Growing Degree Days -3,400 (varies depending on area).
Grape Varieties - Cabernet Sauvignon, Merlot, Syrah, Zinfandel, Chardonnay, Petite Sirah, Sauvignon Blanc, Cabernet Franc; smaller plantings of 30 other varieties including Barbera, Semillon, Viognier, Pinot Gris, Grenache, Petit Verdot,Tempranillo, and Mourvedre).
Claim to Fame - Cabernet Sauvignon plantings dominate the region for a good reason; some of the best Zinfandels around; home to the Rhone Rangers.