Theorem Vineyards is a boutique Diamond Mountain estate in Calistoga built on a storied foundation—literally. Owners Kisha and Jason Itkin restored the neglected property in 2012, uncovering historic 19th-century buildings originally constructed by Dr. Richard Beverly Cole in 1880. Winemaker Andy Jones crafts single-vineyard, single-varietal wines from 94 acres across Diamond Mountain and Moon Mountain, earning high scores from Wine Advocate and recognition for their Howell Mountain Cabernet Sauvignon.
A Diamond Mountain estate producer specializing in single-vineyard, single-varietal wines from mountain vineyards in Calistoga, with a restrained winemaking philosophy emphasizing site expression and elegance, earning Wine Advocate recognition for distinctive Cabernet Sauvignons.
From the winery’s own description — visitor reports will refine this
~$150 tasting fee(verify — fees vary)
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Diamond Mountain · Moon Mountain · Moon Mountain District
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