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Valle d'Aosta region

The Valle d'Aosta DOC (or Vallée d'Aoste) is an Italian denominazione di origine controllata located in the Aosta Valley of northwest Italy. Surrounded by the Alps, the Valle d'Aosta is home to the highest elevated vineyards in all of Europe. The principal winemaking region of the Valle d'Aosta are found along the eastern banks of the Dora Baltea river with the city of Aosta serving as the central winemaking location. The region is divided into three main vineyard areas-the upper valley Valdigne, the central valley Valle Centrale and lower valley Bassa Valley. To the south is the winemaking region of Piemonte. The Valle d'Aosta is Italy's smallest winemaking region both in terms of size and production with only about 330,000 cases produced annually in the region and only 36,000 cases produced under the DOC label. Seventy five percent of the areas production is in red wine made mostly from the Pinot noir, Gamay and Petit Rouge varieties. The majority of white wine production is made from the indigenous Blanc de Morgex grape.[1]

Contents

Climate and geography

Elevation of the Valle d'Aosta. The lower elevation in the center of the image is the Dora Baltea river leading from Mont Blanc (on the left) down through the valley to Piedmont.

The area of the Aosta valley has continental climate and despite its location in the Alps region the weather is typically very hot and dry in the summer time which tends to put harvesttime in early September. The geography of the wine regions is marked by high, steep slopes leading to the river valley which makes the use of mechanical vineyard equipment nearly impossible. The vineyard soils are composed of primarily sand at the higher elevation with more alluvial sediments of clay and gravel further down into the valley.[1]

Vineyards

The wine making region of the Valle d'Aosta is generally divided into three regions. In the northwest, the Valdigne area south of the commune of Courmayeur is home to the highest elevated vineyards in Europe at 3,937 feet above sea level. The white grape Blanc de Morgex is the main production grape in the area used to produce the wine Blanc de Mordex et de la Salle in both a still and sparkling wine style. Due to its high elevations, the area area has never been affected by phylloxera louse which has allowed the vineyards of this area to remain with ungrafted rootstock.

This valley near Ayas in the Valle Centrale is typical of many of the small sub-valleys that can sustain viticulture in the Valle d'Aosta.

The Valle Centrale is the region's most productive area and is further sub-divided into four areas-Enfer d'Arvier, Torrette, Nus and Chambave. The Enfer d'Arvier is a red wine producing area around the village of Arvier. The wines from this areas are blends made primarily from the Petit Rouge grape with lesser amounts of Dolcetto, Gamay, Neyret, Pinot noir, and/or Vien de Nus. Previously Enfer d'Arvier had its own DOC designation prior to being assumed in the Valle d'Aosta DOC.[2] The area of the Torrette sub-zone is located east of Arvier and produces a drier wine made with at least 70% Petit Rouge and smaller quantities of Dolcetto, Fumin, Gamay, Neyret, Pinot noir and/or Vien de Nus. The village of Nus, located east of Aosta, produces a wine made with at least 50% Vien de Nus and at least 40% Petit Rouge. White wines are made in this area from a Pinot gris clone known as Malvoisie including a sweet passito straw wine. East of Nus is the sub-zone of Chambave which includes the communities of Chambave, Châtillon and Saint-Vincent. The red wines made here are composed of at least 60% Petit Rouge with some Dolcetto, Gamay and/or Pinot noir. The white wines made here are from the Moscato Bianco grape.[1]

The Bassa Valley is known primarily for two styles of wine. The Arnad-Montjovet area produces a medium-bodied dry red wine made from at least 70% Nebbiolo with some Dolcetto, Freisa, Neyret, Pinot noir, and/or Vien de Nus. The area near the commune of Donnaz (or Donnas) produces wine made from at least 85% Nebbiolo with some Freisa, Neyret, Pinot noir and Vien du Nuys.[1] Like Enfer d'Arvier, Donnas at one point had its own DOC designation.[2]

Other wines

Other DOC wines in the Valle d'Aosta can be varietally labeled as long as it contains at least 90% from one of the following grapes-Chardonnay, Fumin, Gamay, Müller-Thurgau, Petite Arvine, Pinot gris, Pinot noir, Petit Rouge and Premetta. A generic Valle d'Aosta Bianco/Blanc, Valle d'Aosta Rosso/Rouge and Valle d'Aosta Rosato/Rosé can be produce from any local grape as long as the wine is made in the appropriate color for the style. The region has no Indicazione Geografica Tipica (IGT) designations so that any wine that doesn't fit into one of the 22 DOC styles is sound under the vini da tavola designation.[1]

DOC regulations

For the majority of wines, DOC regulations require harvest yields below 12 tonnes per ha with a minimum alcohol levels of at least 9%. Wines typically must age for at least 6 months prior to public release. For some individual wine style there are notable exceptions and more stricter requirements such as the Pinot gris from Nus which is required to have a maximum yield of 8 tonnes/ha and a minimum alcohol content of 16.5% which is very high for the typical white wine. The reserve wines labeled Superiore from the Arnad-Montjovet region must have a minimum alcohol level of 12% and be aged for two years. The Superiore wines from Torrette need a similar 12% alcohol level but only require eight months of aging but it is specifically required to be done in oak (wine). The Moscatos from Chambave also require oak aging but only for three months.[3]

External links

References

  1. ^ a b c d e M. Ewing-Mulligan & E. McCarthy Italian Wines for Dummies pg 77-82 Hungry Minds 2001 ISBN 0764553550
  2. ^ a b T. Stevenson "The Sotheby's Wine Encyclopedia" pg 274 Dorling Kindersley 2005 ISBN 0756613248
  3. ^ P. Saunders Wine Label Language pg 211-212 Firefly Books 2004 ISBN 1552977200
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