Your Journey to the Beautiful Napa and Sonoma Valleys beings here.
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Fermentation is the process whereby yeast converts natural sugars in the wine grapes into alcohol. In the traditional French style of wine making, naturally occurring yeast on the wine grape skins are used in fermentation. In the California Wine Country, winemakers typically add certain types of cultured yeast, which bring control and consistency to the fermentation process.
In the case of red wines, the “must” (juice and skins) is allowed to ferment in large stainless steel tanks for up to 14 days at a temperature of 70 - 88 degrees Fahrenheit. It is crucial for red wines to ferment along with the skins in order to attain their red color and much of their complex rich flavor.
Because of the tendency of the skins to float to the top of the tanks, the mixture must be “punched down" throughout the process and juice “pumped over" or circulated from the bottom back over the top of the tank. Once fermentation is complete, the juice and skins may remain in contact for another few days or even weeks in order to extract even more color and flavor, a process known as “maceration.”
White wine, which does not need to extract any additional color, will first be pressed, the skins removed and only the juice will ferment for 1 week to 2 months at a temperature of 42-65 degrees Fahrenheit.
Tour prices do not include meals, lodging, or park entrance fees unless otherwise noted. We are not responsible for loss or damage of personal property on tours. We are not responsible for delays due to accidents, breakdowns, or adverse traffic and weather conditions on tours. We reserve the right to modify stops, vehicle, visits or activities based on weather conditions, group needs or conditions out of our control. We reserve the right to use other operators and/or subcontractors to operate all and any tours advertised. Trips require a minimum number of participants to avoid cancellation. Cancellations or changes must be made 72 hrs before trip departure to get partial refund. Cancellations and changes are subject to a 10% or $25 fee, whichever is greater.