Clairette de Die AOC

The history of sparkling wine in the Diois stretches back over two millennia. Winegrowing in this area dates to the 2nd century BC, and in 70 AD, Roman author Pliny the Elder wrote in his Natural History about the 'production of sparkling wine by the Vocontii', the tribal forefathers of the modern Diois people. Legend holds that the Vocontii would submerge their wine jars in the icy waters of the Drôme River over winter, only to find a sweet, sparkling liquid when they retrieved them in spring. The word 'clerette' first appeared in written records in 1748 in correspondence from a notary in Châtillon-en-Diois. Full appellation recognition followed: the AO (appellation d'origine) was granted in 1910, the AOC was established by decree on 30 December 1942, and in 1971 the production method was officially named the 'ancestral Dioise process'. In 1993, a reorganisation of the zone created Crémant de Die as a separate AOC for the traditional-method dry sparkling wine, renamed from the former 'Clairette de Die Mousseux'.

• Winegrowing documented from the 2nd century BC; Pliny the Elder recorded sparkling wine production by the Vocontii in 70 AD
• First written use of 'clerette' in 1748; AO status granted 1910; AOC by decree 30 December 1942
• Méthode ancestrale officially designated the 'ancestral Dioise process' in 1971
• 1993 reorganisation created Crémant de Die AOC from the former Clairette de Die Mousseux category

The vineyards of Die are located in the Drôme département, east of Valence, on the border area between the northern and southern sub-regions of the Côtes du Rhône zone, at altitudes ranging from around 200 metres near the town of Die to a maximum of 744 metres at Menglon, making these among the highest AOC vineyards in France. The region sits in the Drôme River valley, surrounded by the dramatic limestone cliffs of the Vercors plateau to the west. Soils are formed from matter eroded from those limestone cliff faces, combined with black marl formations and chalky clay, which retain sufficient moisture to supply vines through the long, dry summers. The climate balances Mediterranean warmth with Alpine cool: summers bring very hot days and substantially cooler nights, a diurnal range that preserves aromatic freshness and natural acidity in the Muscat and Clairette grapes. Around one third of the appellation's vineyards are certified organic.

• Elevation ranges from 200 m near Die to 744 m at Menglon, among the highest AOC vineyards in France
• Soils: matter eroded from limestone cliffs, combined with black marl formations and chalky clay, retaining moisture through dry summers
• Alpine-Mediterranean climate: hot days, cool nights, preserving aromatic freshness and natural acidity
• Approximately one third of vineyards are certified organic; only 11% of wine is exported

Clairette de Die Méthode Dioise Ancestrale is made from a minimum of 75% Muscat à petits grains (blanc and/or rouge), supplemented by Clairette blanche and Clairette rosé, up to a maximum of 25%. The Muscat delivers the wine's signature floral aromatics and stone fruit character, while the Clairette contributes freshness, acidity, and a touch of mineral delicacy. The méthode dioise ancestrale is distinct among sparkling wine production methods: fermentation begins slowly in temperature-controlled tanks, and before all the natural grape sugars are converted to alcohol, the partially fermented must is bottled. Fermentation then continues in the sealed bottle using only the sugars and yeasts naturally present in the grapes, ceasing naturally when alcohol reaches 7–8% ABV. The finished wine must contain a minimum of 35 g/L residual sugar. Uniquely, the process also involves a second bottling: the wine is transferred under pressure from the first bottle into the final bottle after filtration, which removes yeast deposits. No liqueur d'expédition is added. Crémant de Die, made by the traditional method from Clairette blanche and Aligoté with up to 10% Muscat à petits grains blanc, is dry and follows a standard secondary in-bottle fermentation with disgorgement.

• Muscat Blanc à Petits Grains (75% minimum): delivers the appellation's defining floral, peach, and apricot character
• Clairette (25% maximum): adds acidity, finesse, and mineral structure to the blend
• Méthode dioise ancestrale: single fermentation, no liqueur d'expédition, minimum 35 g/L residual sugar, 7–8% ABV typical
• Crémant de Die: Clairette blanche dominant, with Aligoté and up to 10% Muscat; traditional method, dry, disgorged

The region is served by around 260 growers, two cooperative cellars, and eight négociants. The dominant force in volume is Cave de Die Jaillance, a cooperative founded in 1950 that now counts over 200 winegrower members and is responsible for a large share of total production. Among the most respected independent domaines is Domaine Achard-Vincent, based in Sainte-Croix, where Jean-Pierre Achard and his son Thomas farm 11 hectares descending from five generations of growers. The estate has been farmed organically since 1968, was certified by Ecocert from 1982, and obtained Demeter biodynamic certification from the 2005 vintage. Cave Monge Granon, founded in 1985 by two families of growers in Vercheny, farms around 42 hectares and produces across the Clairette de Die, Crémant de Die, and Châtillon-en-Diois appellations. The Union des Jeunes Viticulteurs Récoltants cooperative in Vercheny is another respected smaller-scale producer in the appellation.

• Cave de Die Jaillance: cooperative founded 1950, over 200 members, dominant volume producer
• Domaine Achard-Vincent: five-generation family domaine, 11 hectares, organic since 1968, biodynamic (Demeter) since 2005
• Cave Monge Granon: founded 1985, two families farming 42 hectares in Vercheny, across three Diois appellations
• Two cooperative cellars and eight négociants operate alongside independent family estates

Clairette de Die AOC was established by decree on 30 December 1942 and covers around 30 communes in the Drôme. The Méthode Dioise Ancestrale style requires a minimum of 75% Muscat à petits grains (blanc and/or rouge), with Clairette blanche, Clairette rosé making up the balance to a maximum of 25%. The finished wine must contain at least 35 g/L residual sugar and must not include any liqueur d'expédition. Typical alcohol is 7–8% ABV. The base yield is 60 hl/ha with a ceiling of 70 hl/ha. In 1993, the appellation was reorganised and the former dry sparkling wine category, previously called 'Clairette de Die Mousseux', was separated out and renamed Crémant de Die. Crémant de Die is produced via the traditional method, based on Clairette blanche and Aligoté, with up to 10% Muscat à petits grains blanc permitted. A separate still wine AOC, Coteaux de Die (100% Clairette, granted AOC in 1993), and the multi-colour Châtillon-en-Diois AOC (granted 1975) also exist within the broader Diois zone.

• AOC by decree 30 December 1942; AO status granted 1910; méthode ancestrale named 'ancestral Dioise process' in 1971
• Méthode Dioise Ancestrale: minimum 75% Muscat, maximum 25% Clairette; minimum 35 g/L residual sugar; no liqueur d'expédition; 7–8% ABV
• Crémant de Die (created 1993): Clairette blanche and Aligoté dominant, up to 10% Muscat; traditional method, dry
• Base yield 60 hl/ha; ceiling 70 hl/ha; production zone of approximately 30 communes in the Drôme

The town of Die sits in the dramatic Drôme River valley, flanked by the steep limestone cliffs of the Vercors plateau. It serves as the natural hub for exploring the appellation, which stretches for roughly 30 kilometres following the river. The Vignoble de Diois is part of the 'Vignobles et Découvertes' agritourism programme, with eight marked walking routes through the heart of the vineyards called the 'Chemins de la Clairette'. Many producers welcome visitors to their cellars by appointment, and Cave de Die Jaillance operates a tasting room in Die open most of the year. The region also benefits from proximity to the Parc Naturel Régional du Vercors, drawing hikers, cyclists, and outdoor enthusiasts who encounter the vineyards on the valley slopes. The appellation's focus on organic viticulture, with one third of vineyards certified, reflects its commitment to preserving this exceptional mountain landscape.

• Die is the medieval market town at the heart of the appellation, situated in the Drôme River valley beneath the Vercors limestone cliffs
• Eight 'Chemins de la Clairette' walking routes explore the vineyards; the region is part of the 'Vignobles et Découvertes' agritourism programme
• Cave de Die Jaillance operates a public tasting cellar in Die; many independent estates welcome visitors by appointment
• Proximity to the Parc Naturel Régional du Vercors draws outdoor visitors; one third of vineyards are certified organic