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Brassfield Estate Winery



Transverse Valley

The cooling temperature of coastal breezes means the distinctive flavor of great wine.

10,000 to 20,000 years ago the built-up lava flow from the eruption of Round Mountain Volcano sealed off water shed that flowed to the east side of High Valley. Over time, alluvial material from the runoff from the surrounding mountains filled the canyon creating a transverse valley floor - unusual due to its east- west orientation running counter to California's coastal range. High Valley's orientation and Clear Lake's proximity create a natural wind machine that has a resulting cooling effect on a daily basis. The cooling temperature of coastal breezes greatly influence the distinctive flavor of exceptional wine.