The Napa River has been a source of agricultural bounty in the valley for hundreds of years, dating all the way back to the Wappo Native American tribes that used it's tributaries as their water source. Modern viticulture has certainly benefited from the rich alluvial soils that are carried in its current year after year, providing a mixed gradient of robust soil into the various soil types that permeate the Napa Valley. Therefore the river has a wide-ranging influence wines that are made from grape varieties that are grown near its banks and influenced microclimates. The Inaugural Napa River Terroir Project Launches!
The Napa River has been a source of agricultural bounty in the valley for hundreds of years, dating all the way back to the Wappo Native American tribes that used it's tributaries as their water source. Modern viticulture has certainly benefited from the rich alluvial soils that are carried in its current year after year, providing a mixed gradient of robust soil into the various soil types that permeate the Napa Valley. Therefore the river has a wide-ranging influence wines that are made from grape varieties that are grown near its banks and influenced microclimates. 
