About Napa Valley
Napa Valley is the most famous wine-growing area in the U.S. It begins at the base of Mount St. Helena in the north and tapers off some 30 miles to the south into the floodplain where the Napa River enters San Francisco Bay. From Mount St. Helena to the city of Napa, the valley is defined by two north-south ridgelines of the Coast Range Mountains.
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