Diamond Mountain District AVA

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Diamond Mountain District AVA
Wine region
Diamond Mountain AVA, Napa Valley, California, USA.jpg
Diamond Mountain District with view to the valley below
Type American Viticultural Area
Year established2001 [1]
CountryUnited States
Part of Napa Valley AVA
Other regions in Napa Valley AVA Los Carneros AVA, Howell Mountain AVA, Wild Horse Valley AVA, Stags Leap District AVA, Mt. Veeder AVA, Coombsville AVA Atlas Peak AVA, Spring Mountain District AVA, Oakville AVA, Rutherford AVA, St. Helena AVA, Chiles Valley AVA, Yountville AVA, Oak Knoll District of Napa Valley AVA, Calistoga AVA
Soil conditionsvolcanic
Total area5,000 acres (20 km2) [2]
Size of planted vineyards500 acres (2 km2) [2]
Varietals produced Cabernet Franc, Cabernet Sauvignon, Malbec, Merlot, Petit Verdot, Sauvignon blanc

The Diamond Mountain District AVA is an American Viticultural Area located in California's Mayacamas Mountains in the northwest portion of the Napa Valley AVA. The appellation sits at a higher elevation than most of Napa Valley's wine region, resulting in less cool fog coming in from San Pablo Bay, and more direct exposure to sunlight. The soil of this AVA is volcanic and very porous which allows it to cool down quickly despite the increased sunlight. [2]

Contents

Geography and climate

A Cabernet Sauvignon from the Diamond Mountain District. Diamond mountain Cab.jpg
A Cabernet Sauvignon from the Diamond Mountain District.

The entire AVA is over 400 feet (120 m) above sea level, which helps to cool it compared to the nearby valley floor appellations. [3] The soil of the Diamond Mountain District is volcanic, including the small bits of volcanic glass that give the area its name. [4]

The AVA is defined by the Napa-Sonoma county line on the west, Petrified Forest Road on the north, the 400 foot line of altitude running parallel to Route 29 on the east, and the Spring Mountain District to the south. [3] This puts the southern part of the city of Calistoga, California in the appellation, with the northern part being in the Calistoga AVA since 2010.

History

Diamond Mountain District's history as a winegrowing region dates back to 1868, when the first vines were planted by Jacob Schram on a tract of land he purchased on the Napa side of the mountain. [3] [4] By 1892, his holdings had expanded to 100 acres, including underground cellars for aging and storing wine. His name has continued in the property, now known as Schramsberg Vineyards [3]

Controversy

When the AVA was proposed in 1999, a request for public comments was published in the Federal Register. One winery, Diamond Mountain Vineyards, objected to the western border ending on the Napa-Sonoma county line, as it would split their property in half. Their objections extended the public comment period by several months. Ultimately, the decision was to keep the boundary on the Napa-Sonoma line. [3]

Additionally, as originally proposed, the AVA would have been called the "Diamond Mountain AVA," but since the bulk of Diamond Mountain, and indeed, its peak, are in Sonoma County, the AVA was renamed. [4]

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Moon Mountain District Sonoma County is an American Viticultural Area (AVA) within Sonoma Valley and North Coast viticultural areas, just north of the city of Sonoma. This mountainous region on the very eastern edge of Sonoma County has a historic reputation for producing rich, intensely-flavored wines from Cabernet Sauvignon and Syrah varietals since the 1880s. The District was established on November 1, 2013, by the Alcohol and Tobacco Tax and Trade Bureau (TTB). Its designation covers 17,663 acres (28 sq mi) of land stretching north-south along the western slopes of the Mayacamas mountains between Sugarloaf Ridge State Park and Los Carneros viticultural area with the Napa Valley’s Mount Veeder viticultural area outlining the eastern slopes. Its name is derived from Moon Mountain Road, which traverses through the area and itself a reference to Sonoma, which means 'valley of the moon' in the local Native American dialect. A clear view to San Francisco 50 miles (80 km) south is not uncommon from Moon Mountain District vineyards.

References

  1. "§9.166 Diamond Mountain District" (Title 27: Alcohol, Tobacco and Firearms; Part 9 — American Viticultural Areas; Subpart C — Approved American Viticultural Areas). Code of Federal Regulations. Retrieved October 31, 2007.
  2. 1 2 3 "Diamond Mountain District ~ Napa Valle y(AVA): Appellation Profile". Appellation America. 2007. Archived from the original on July 25, 2013. Retrieved October 31, 2007.
  3. 1 2 3 4 5 "Diamond Mountain District Viticultural Area (99R-223P)". Federal Register. Office of the Federal Register, National Archives and Records Administration. 66 FR (106): 29695–29698. June 1, 2001. Retrieved June 28, 2011.
  4. 1 2 3 Pitcher, Steve. "Mining Jewels on Diamond Mountain". The Wine News. No. June/July 2005. Archived from the original on September 30, 2011. Retrieved June 27, 2011.

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