Keller Estate Winery & Vineyards

A typical summer day in the Gap begins with a distinctive, crisp coolness and a blanket of morning fog. By late morning the sun chases away the fog and temperatures rise. By mid-afternoon, however, the cooling maritime breezes begin, picking up speed as the afternoon progresses and bringing in fog almost every night. It is this cooling “wind tunnel” effect that distinguishes the Petaluma Gap from our neighboring winegrowing areas. The impact of the wind results in lower yields and grapes that reach physiological ripeness much later and at lower sugar levels while developing intense flavors with ideal levels of acidity.