Chablis – Introduction to Distinctive Chardonnay from Jurassic Era Soils

Chablis is one of my favorite wine regions in the world. It is the northernmost outpost of Burgundy. It often struggles with frost and other weather issues. Yet even in less-than-great years, the purity of these 100% Chardonnay wines, sometimes unoaked, comes through with distinction and pleasure for all the senses.

Chablis occupies a surprisingly small patch of Burgundy. The entire region covers roughly 100 square miles—about the size of Martha’s Vineyard, slightly smaller than Salt Lake City, roughly twice the land area of San Francisco, and not much smaller than the Isle of Wight.

The actual Chardonnay vineyards producing Chablis occupy only around 5,300 hectares, or about 20 square miles, which could fit into an area less than half the size of San Francisco.

This column is an introduction to the region, covering its statistical, stylistic, and geographic highlights, with links to other sources, and tasting notes at the end on our favorite Chablis wines tasted during the past 12 months.

Chablis may be one of the world’s geographically smaller famous wine regions. Its roughly 3.2 million cases a year compare with about 4.4 million from Oregon’s Willamette Valley, 7.4 million from Napa Valley, 8.3 million from Chianti, 25 million from Champagne, 26 million from Rioja and 46 million from Bordeaux.

It produces a surprisingly substantial amount of wine for such a geographically compact and tightly defined appellation. Using AI to sort through different data sources, I found that Chablis is incredibly productive in cases produced per acre of vineyard. Its roughly 14,000 acres of vines produce an average 3.2 million nine-liter cases a year—about 220 cases per planted acre. That’s more wine per acre than Bordeaux (180), Napa Valley (164), Rioja (162) or the Willamette Valley (173), and trails only Champagne (296) among several of the world’s best-known wine regions.

The underlying acreage and production figures come from the regional organizations and industry sources discussed earlier. The bottom line: the vineyards are densely planted, and a typical Chablis vine ultimately produces only about one bottle of wine a year.

Champagne is remarkably similar: despite producing roughly 3,550 bottles per acre, its even denser vineyards also yield only about one finished bottle per vine. The same for Bordeaux. Napa is 1.3; Chianti, 1.6; Rioja, 1.6; and the Willamette Valley, 1.7.

And there is an important winemaking lesson behind those numbers: more vines per acre does not necessarily mean more wine per vine. In many prestigious European regions, precisely the opposite is intended. Dense planting increases competition among vines, helping restrict the crop carried by each individual plant. Comité Champagne explicitly identifies that reduced crop load per vine as one reason for its high planting density. (Champagne)

Chablis is easy to navigate in finding quality. It has 5,277 hectares, or 14,090 acres. The vines are classified into four levels of appellation: Petit Chablis (945 hectares, 2,523 acres), Chablis (3,450 hectares, 9,212 acres), Chablis Premier Cru (776 hectares, 2,072 acres), and Chablis Grand Cru, just 1% of production (106 hectares, 283 acres). These last two categories comprise wines from several different identified and named plots, or Climats.

A CLIMAT DEFINED

• The word Climat comes from the Greek word klima, and then the Latin clima, climatis, meaning ‘slope’.
• Each Climat in the Bourgogne winegrowing region is a plot of vines that has been carefully marked out and named for centuries, and which has its own history and enjoys particular geological and weather conditions.
• Shaped by winegrowers, these plots form an exceptional patchwork of ranked appellations that enjoy a global reputation, including Régionale, Village, Premier Cru, and Grand Cru appellations.
• The Climats are the source of the unique organoleptic qualities of Bourgogne wines, including their appearance, aromas, taste, and mouthfeel.
• Certain Climats have enjoyed their reputations since as far back as the 7th century, such as the Clos de Bèze in Gevrey.
• In 1935, the Institut National de l’Origine et de la Qualité (INAO) officialized the use of the term “Climat” and has since used it to refer to all Bourgogne appellations.

Of the 47 Climats which can be named on the wine’s label, 40 are Premier Cru and seven Grand Cru. According to the official Chablis website, a Climat is an area that, due to its physical and weather characteristics, is particularly advantageous for winegrowing. These plots have been identified over centuries, and result in an infinite diversity of wine.

The seven Chablis Grand Cru Climats are all found on the right bank of the River Serein. The 40 Chablis Premier Cru Climats are found on both sides of the river, with 24 on the left bank and 16 on the right.

According to the Chablis website, the region’s distinctive Chardonnay grows in ancient limestone-rich soils formed roughly 150 million years ago, when this part of France lay beneath a warm, shallow sea. Over millions of years, marine sediments accumulated and hardened into layers of limestone and clay, leaving behind fossilized shells that can still be found throughout the vineyards.

The most celebrated of these soils is Kimmeridgian, named for a geological stage of the Late Jurassic period. It consists primarily of alternating layers of limestone and clay-rich marl, often containing fossils of tiny oysters and other marine organisms. Kimmeridgian soils dominate many of the vineyards classified as Chablis, Premier Cru and Grand Cru. They drain well while retaining enough moisture to sustain vines during dry periods. Generations of growers have associated these sites with Chablis wines of exceptional complexity, tension and longevity.

The region also contains younger Portlandian limestone, traditionally associated particularly with vineyards on higher ground and with much of Petit Chablis. Portlandian soils tend to be harder, more compact and less clay-rich than Kimmeridgian formations. Wines from these sites are often described as lighter, fresher and more immediately approachable.

The soil distinction is not an absolute dividing line—vineyard exposure, elevation, weather and winemaking matter—but geology helps explain Chablis’s unusual identity. Here, Chardonnay grows on the remains of an ancient seabed, producing wines famous for their acidity, restraint and flinty, stony character. It is a remarkable connection: the sea disappeared millions of years ago, but its influence remains in every Chablis vineyard. If you enjoy fine Chardonnay and want to expand your understanding and appreciation of this classic area, develop a plan for the year and taste wines from the different classifications, climats, and producers. Start with a Petit Chablis, then advance to the village wines labeled Chablis, to Premier Cru and Grand Cru.

Petit Chablis is a great entry point to Chablis wines, offering great value and wines that, while perhaps not as complex or finely balanced as the other AOCs. The Chablis site notes that the terroir is a mixture of brown soil and hard limestone, and grapes are mainly grown on plateaus at the top of the slopes. Petit Chablis wines are generally consumed young, ideally after two years, and make a superb aperitif wine.

Chablis AOC, the largest appellation, produces the bulk of the region’s wines, with grapes grown on multiple exposition levels, including north-, east-, and west-facing slopes, as well as the plateaus. The Chablis site reports that “wines from Chablis AOC are diverse, taking part of their character from the specifics of the winemaking process and of the vintage. More generally, Chablis AOC wines are known for good structure, persistent flavour and volume on the palate, while also being better suited than Petit Chablis wines to age, which deepens their colour and adds a note of spice to the bouquet.”

Chablis Premier Cru wines are praised as being “an incredibly pure expression of the grape, combines exceptional terroir with producers of significant expertise to create wines that are rich and complex, while still being emblematic of the region.” Grapes here tend to be grown on south-west, south and south-east facing slopes, and while plenty show characteristic flintiness and crispness, many are also smoother and more fruit-forward. Chablis Premier Cru wines are usually labeled after the particular Climat the grapes are grown in and can be suitable for aging from 5-10 years in the bottle. On the Palate: “Excellent structure and a long finish, showing minerality and tightness when drunk young, but developing delicate and subtle notes with age.”

Chablis Grand Cru wines are made with grapes grown in just 106 hectares of limestone soils across the villages of Chablis on the hills of the river Serein’s right bank. The Chablis site notes: “Colour — pure green-gold, evolving to a light yellow with age; Nose — intense mineral scents, lime flowers, dried fruits, almond and subtle honey notes, and occasionally field mushroom-like savoury flavours; Palate — A perfect balance between richness and acidity, with characteristic dry qualities but vibrant flavour.”

On the good news side, Premier Cru and Grand Cru Chablis are less costly than the other Chardonnays from Burgundy (Meursault, Montrachet, Puligny Montrachet, Chassagne Montrachet, Cote de Beaune, and more). The wines go well with everything from cheeses, appetizers, picnic fare, salad courses, first dishes and shellfish, to seafood, fowl, and pasta dishes.

TOP WINES THE LAST 12 MONTHS

• 2011 Domaine William Fèvre Chablis Grand Cru Vaudésir. Sharp light-mid green gold; complex nose with layers of stone fruit, apple, mineral, some salinity, rich Chardonnay background; low-mid acids; rounding out; long, rich, semi-lush finish; hints of minerality. 17/92.
  

  Fevre 2011 Les Clos

• 2011 Domaine William Fèvre Chablis Grand Cru Les Clos. Light mid-straw gold. Citrus, stony, seashell nose. Mid-plus acids. Mid-depth. Long, balanced, stylish semi-crisp citrus finish. 17.5/93.
• 2018 Domaine William Fèvre Chablis 1er Cru Vaulorent ($70 Garagiste). Sharp mid-gold, some viscosity (13.0 alc.); stone fruit, saline, lime, hazelnut nose; mid acids; mid depth; long, semi-lush stone fruit and citrus finish. 17/92.
• 2018 Domaine Louis Moreau Chablis Grand Cru Les Clos ($90 in 2021). Pale straw gold, low viscosity (13.0 alc.); citrus, stone fruit, seashell nose; low-mid acids; mid depth; long, balanced, stylish semi-crisp citrus finish. 17.5/93.
• 2018 Domaine Pinson Frères Chablis 1er Cru Mont de Milieu ($40 in 2020). Sharp mid gold, low viscosity (13.0 alc.); citrus, saline, light pear, hints of tropical nose; mid acids; mid+ depth; fine Chardonnay flavors; long, rich, crisp finish. 17/92.
• 2018 Maison Albert Bichot Chablis 1er Cru Vaillons Domaine Long-Depaquit. Sharp light-mid gold; wine lees, honey, light saline, stone fruit nose; mid acids: mid+ depth; long semi-lush stone fruit finish. 17/92.
• Nicely evolving 2019 Domaine Guy Robin et Fils Chablis 1er Cru Montée de Tonnerre Vieilles Vignes ($45 in 2022). Sharp dark gold, some tears (14.0 alc.); stone fruit, wine lees, wet stone, citrus nose; mid acids; mid+ depth; long semi-lush stone fruit and citrus finish. 17/92.
• 2019 Domaine Nathalie et Gilles Fevre Chablis 1er Cru Fourchaume ($40 Vivino 2021). Sharp mid-dark gold; citrus, wine lees, honey, vanilla, seashells, light stone fruit nose; low-mid-acids; mid-body; long, balanced, citrus and saline finish. 16.5/91.
• $25 Chablis value 2020 Domaine Adrien Besson Chablis 1er Cru Vaillons (WTSO). Mid straw-gold; stone fruit, citrus, lime, mineral nose; mid acids, mid body; some lushness; semi-long, semi-crisp finish. 16.5/91.
• Tasty 2021 Lamblin & Fils Chablis Grand Cru Vaudésir ($48 Garagiste 2022). Sharp mid-dark gold, viscous (13.0% alc.); peachy, stone fruit, wet stone, citrus nose; mid acids; mid+ depth; long, balanced, semi-lush stone fruit and citrus finish. 17/92.
• Improving with time 2021 Jean-Marc Brocard Chablis 1er Cru Vaulorent ($37 in 2024 Garagiste). Sharp mid gold (13.0 alc.); honey, nutty, citrus, mineral nose; mid acids; mid depth; long, semi-lush mineral and citrus finish. 16.5/91.
• 2022 Lamblin & Fils Chablis 1er Cru Vaillon ($30 Garagiste). Sharp mid-green-gold (13.0 alc.); stone fruit, lime, mineral, saline nose; mid acids; mid+ depth; long round semi-lush citrus and mineral finish. 16.5-17/91-92. Great value!
• 2023 Domaine Louis Michel Chablis 1er Cru Butteaux ($48). Sharp mid-gold, low viscosity (13.0 alc.); stone fruit, slate, saline, citrus nose; mid acids; rounding, long fruity saline finish. 17/92.