The Carneros region spans Napa and Sonoma counties at the north edge of San Pablo Bay. The climate is considered comparable to the Russian River AVA in terms of temperature totals. The Carneros AVA covers about 90 square miles and contains a wide range of soils types and varied microclimates. As a region, however, some generalities can be found. Cool nights, fog in the morning hours followed by warm afternoons, and
Francis Mahoney was captivated by the concept of terroir – the influence of soil, wind, fog, sun exposure, and rainfall on the style of wine they produced. Born in San Francisco, he knew he was passionate about he wine industry and decided to take a chance and come up to, the then unknown, Los Carneros region. Turning his focus towards the undiscovered “Los Carneros” region in the southern portion of