Key Grapes
White
Prié Blanc Morgex; highest vineyards
Petite Arvine From Valais (Switzerland)
Müller-Thurgau Aromatic; high altitude
Moscato Bianco Chambave Muscat
Red
Petit Rouge Most planted; Torrette
Fumin Indigenous; dark, tannic
Cornalin = Humagne Rouge (Swiss)
Picotendro = Nebbiolo (local name)
Mayolet Indigenous; rare; cherry
Geography & Climate
| Mountains | Mont Blanc, Matterhorn, Monte Rosa |
| Valley | Dora Baltea river valley |
| Aspect | South-facing slopes essential |
| Sunshine | High UV; intense phenolics |
Heroic Viticulture
Definition: Slopes >30%, altitude >500 m, or terraces
Training: Pergola bassa (low pergola) traditional
CERVIM: Centre for Research on Mountain Viticulture
The DOC System
| DOC Name | Valle d'Aosta / Vallée d'Aoste |
| Year | 1971 (upgraded 1985) |
| Structure | 1 DOC, 7 sub-zones |
| Varietals | 22 grape varieties recognized |
Bilingual: Labels may use Italian OR French names
No DOCG: Only region without DOCG status
7 Sub-Zones (Geographic Denominations)
| Sub-Zone | Style | Key Feature |
|---|---|---|
| Blanc de Morgex et de La Salle | White + Sparkling | 100% Prié Blanc; 900-1,200 m; highest vineyards in Europe; ungrafted |
| Enfer d'Arvier | Red | Min 85% Petit Rouge; "Hell of Arvier" (heat-trapping); steep S-facing |
| Torrette | Red | Min 70% Petit Rouge; largest sub-zone; around Aosta |
| Nus | Red + Sweet | Nus Rouge (Vien de Nus); Nus Malvoisie (Pinot Grigio passito) |
| Chambave | Red + Sweet | Chambave Rouge (Petit Rouge); Chambave Muscat (passito or dry) |
| Arnad-Montjovet | Red | Min 70% Nebbiolo (Picotendro); eastern valley; longest aging |
| Donnas | Red | Min 85% Nebbiolo (Picotendro); borders Piedmont; granite soils |
Key Sub-Zone Details
Blanc de Morgex
Altitude: 900-1,200 m (highest in Europe)
Vines: Ungrafted (phylloxera-free)
Style: Crisp, mineral, alpine
Sparkling: Metodo Classico available
Donnas & Arnad-Montjovet
Grape: Nebbiolo (Picotendro)
Style: Lighter than Barolo; alpine elegance
Single-Varietal Wines (within Valle d'Aosta DOC)
| White Varietals | Red Varietals | Example Label |
|---|---|---|
| Chardonnay | Petit Rouge | Valle d'Aosta Fumin DOC Valle d'Aosta Petite Arvine DOC |
| Müller-Thurgau | Fumin | |
| Petite Arvine | Cornalin | |
| Pinot Grigio (Malvoisie) | Gamay | |
| Pinot Bianco | Mayolet | |
| Moscato Bianco | Pinot Nero | |
| Traminer Aromatico | Premetta (rosé only) |
Note: All under Valle d'Aosta DOC; min 85% stated grape; can be produced DOC-wide (not limited to sub-zones)
Indigenous Varieties
| Grape | Character |
|---|---|
| Petit Rouge | Light-med body; soft tannins |
| Fumin | Dark; smoky; tannic |
| Cornalin | Spicy; structured |
| Mayolet | Cherry; delicate; rare |
| Vien de Nus | Nus Rouge; light |
| Prié Blanc | High acid; alpine; citrus |
Sweet Wines
Nus Malvoisie
Grape: 100% Pinot Grigio
Method: Passito (dried grapes)
Style: Golden; honeyed; apricot
Chambave Muscat
Grape: 100% Moscato Bianco
Styles: Dry (Secco) or Passito (Flétri)
Character: Aromatic; floral; grapey
History
| Roman era | Via delle Gallie (road to Gaul) |
| 11th c | House of Savoy takes control |
| 1861 | Part of unified Italy |
| 1948 | Autonomous region status |
| 1971 | DOC established |
| 1985 | DOC expanded + refined |
Autonomy: Special statute region; bilingual rights protected
Viticulture
| Training | Pergola bassa (low pergola) |
| Why pergola | Frost protection; air flow |
| Modern | Guyot on flatter sites |
| Density | High (steep terraces) |
Co-operatives
Cave du Vin Blanc: Morgex specialist; owns 95%
La Crotta di Vegneron: Chambave region
Co-op dominant: Due to small, fragmented plots
Top Exam Points — Memorize These!
Smallest region; 1 DOC; no DOCG~400 ha; Valle d'Aosta / Vallée d'Aoste DOC; bilingual (Italian + French)
Blanc de Morgex = highest vineyards900-1,200 m; 100% Prié Blanc; ungrafted (phylloxera-free); Europe's highest
Picotendro = NebbioloLocal name; used in Donnas (min 85%) + Arnad-Montjovet (min 70%)
Petit Rouge = most plantedTorrette (largest sub-zone); Enfer d'Arvier ("Hell" = heat trap)
Nus Malvoisie = Pinot Grigio passitoSweet wine; golden; honeyed; 100% Pinot Grigio (called Malvoisie)
Fumin + Cornalin = indigenous redsFumin = dark, smoky; Cornalin = Humagne Rouge (Swiss); both tannic
7 sub-zones within DOCMorgex, Enfer d'Arvier, Torrette, Nus, Chambave, Arnad-Montjovet, Donnas
CERVIM = mountain viticultureResearch center based in Valle d'Aosta; "heroic viticulture" defined here