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2017 Obsidian Ridge "Elevation Series: Top" Cabernet Sauvignon

2017 Obsidian Ridge
Wine Club Member Price: $42.50
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/ 750ml Bottle

At a half-mile in elevation above sea level, Block H is usually the last to ripen, and the wine is prized for its complexity, elegant texture and fruit purity. The block is planted with John Caldwell’s so-called “Suitcase Clones”. Block H gives high-toned red fruit aromatics with notes of cherries and vanilla; upon entry there is a bright red fruit center with a touch of cinnamon—a pretty wine with fine tannins and an elegant texture.

Both regional and local factors shape the climate at Obsidian Ridge Vineyard. Regionally, the cool mid-level maritime air is drawn across the ridge of the Coastal Range, scraping heat off the vineyard every afternoon. Locally, our north-facing aspect and gentler lower slopes pool cold air so that the lower part of the vineyard buds out and ripens a month later than the top of the vineyard—a major effect on the ripening curves of upper and lower blocks. The result? Large diurnal shifts lock in color. Cool—and even downright cold—harvest nights preserve fruit acidity. Increased UV (10% more than sea level vineyards), promotes thicker skins packed with the phenolic compounds that give intense flavors and aromas distinctive to mountain wines. At first we kept wines at different elevations separate in the cellar so we could follow and learn the evolution of these wines, but the differences were so striking that we felt it important to also bottle them separately and watch them over time. These differences in elevation means Obsidian Ridge Vineyard behaves like three different vineyards, and we are excited to give you the opportunity to taste each of them, with our Elevation Series Tasting Kit.

Northern California continued to recover from the drought, and the year began with abundant rainfall and mild spring weather. The rejuvenated vines produced a beautiful crop. Summer temperatures were normal and harvest began slightly early and slowly. On October 8th, terrible wildfires erupted in Napa and Sonoma Counties. We were fortunate that we had already completed the Chardonnay and Pinot Noir harvest from Poseidon Vineyard, and Obsidian Ridge Vineyard was well north of the fire and smoke and was totally unaffected. It was a year that the attentive winemaker, one familiar with their vineyards and with a committed and reliable crew, was rewarded.

We harvested overnight when it was cool, gently transfered the destemmed grapes to stainless steel fermentation tanks and inoculated for primary fermentation—keeping each block separate. We pressed off the solids as dryness approached, and the young wine was racked into barrel. We bottled the "Top" (2,640'), "Middle" (2,500') and "Bottom" (2,350') blocks as three distinct examples of the 2017 vintage: all 100% Cabernet Sauvignon and all aged for 18 months in 35% new and 65% 2-year old Kádár Medium Plus Toast barrels.

Alex Beloz, Winemaker

100% Cabernet Sauvignon
Red Hills Lake County
Harvest Date
Oct 24, 2017
Titratable Acidity
5.48 g/L
18 Months in 35% New, Medium Toast Plus and Heavy Toast Barrels
Alcohol %
Wine Profile
100% Kádár
191, 341 and 338
Year Planted
Vine Spacing
8' x 6'
3.9 Tons/Acre

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