Palmaz Winery
Client: Palmaz Winery
Location: Napa, California
Market Sector: Winery
Largest Wine Production Cave in the world, over 100,000 square feet.
The Cave
Palmaz Vineyards' winemaking and aging takes place within
the living rock of Mount George, in a flawlessly engineered
maze of tunnels and lofty domes. The depth of the wine
cave is equivalent to an 18-story building, providing
the vertical range needed for true gravity-flow winemaking.
Thus, the wine is never subjected to the violent agitation
of pumping, which can change the wine’s intra-molecular
structure. This gentle treatment allows the finest nuances
of flavor to develop naturally – the result is a
complex, elegant wine.
Cave Facts
• The fermentation dome is the world’s largest
underground reinforced structure. It is 72’ in diameter
and 54’ high.
• Temperature stays constant at 60 degrees and humidity
at 75%, the perfect atmosphere for aging wine.
• The cave houses its own water treatment plant built
to comply with strict conservation guidelines.
• Fermentation tanks rotate on a custom-designed carousel.
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