Tyrrell's Vat 1 Semillon: Hunter Valley's Icon of Age-Worthy White Wine

Established in 1858 by English immigrant Edward Tyrrell on 320 acres along the Brokenback Range at Pokolbin, Tyrrell's Wines is one of Australia's oldest family-run wineries. The iconic ironbark slab hut Edward built by hand in 1858 still stands in front of the winery today. Third-generation Murray Tyrrell, who took over the winery in 1959, created the Winemaker's Selection range in 1965 with the assistance of influential wine writer Len Evans; the wines were named after the casks in which they matured, so the Semillon in vat number 1 became Vat 1. The first Vat 1 Semillon was produced in 1963 from grapes on the Short Flat Vineyard. A defining moment came in 1996 with the re-release of the 1989 vintage, which spotlighted the remarkable complexity of bottle-matured Hunter Valley Semillon and cemented Vat 1's reputation. Now in its fifth generation of family ownership, Tyrrell's was also a founding member of Australia's First Families of Wine.

• Founded in 1858 by Edward Tyrrell in Pokolbin, Hunter Valley; remains family-operated across five generations
• Third-generation Murray Tyrrell created the Winemaker's Selection range in 1965 with Len Evans; wines named after cask numbers
• Vat 1 first produced in 1963 from Short Flat Vineyard vines; oldest plantings date to 1923
• The re-release of the 1989 vintage in 1996 demonstrated the wine's aging potential and transformed its critical standing

The Hunter Valley GI sits northwest of Newcastle in New South Wales, covering 19,578 km2 with 2,605 hectares under vine. The climate is warm and humid, almost subtropical at approximately 32 to 33 degrees latitude, which is at the outer limit of typical cool-climate grape-growing regions. Paradoxically, this heat produces a Semillon of surprisingly high acidity and low alcohol, because growers harvest early and afternoon cloud cover moderates ripening. Typical harvest figures for Hunter Valley Semillon run between 6.8 and 7.4 g/L total acidity and a pH of 2.8 to 3.0. The Vat 1 blocks sit on sandy, free-draining soils that give the wine its unique mineral character. Pokolbin, where the Tyrrell's estate is located, is home to a mosaic of soil types, with Semillon performing best on the lighter sandy loam soils of the valley floor.

• Hunter Valley GI: 19,578 km2 in area, 2,605 hectares of vineyards; warm, humid climate at roughly 32-33 degrees latitude
• Vat 1 vines grown on sandy, free-draining soils; all blocks are dry-grown and on their own roots
• Early harvest preserves high acidity (6.8-7.4 g/L, pH 2.8-3.0) and low alcohol (10.5-11.5% ABV); afternoon cloud cover moderates sugar accumulation
• The region's main varieties are Shiraz, Semillon, Chardonnay, and Verdelho; Semillon and Shiraz are the Hunter's most historically significant grapes

Vat 1 Semillon is sourced exclusively from two of Tyrrell's oldest estate blocks. The centrepiece is the five-hectare Short Flat Vineyard, located directly north of the winery driveway at approximately 110 metres elevation, where Semillon vines were planted in 1923 and 1927. Since the early 2000s, fruit has also been sourced from Johnno's Vineyard, originally known as Long Flat Vineyard, which was first planted in 1908 and renamed in 2002 in honour of fifth-generation family member John Tyrrell. Johnno's is planted on alluvial sandy loam soils at 135 metres elevation. Together, the two Vat 1 blocks cover approximately six hectares and are separated by just 800 metres, flanking the same creek. All vines across both blocks are dry-grown and ungrafted, standing on their own roots. Only the oldest and best-performing parcels within these vineyards are selected for Vat 1 in each vintage.

• Short Flat Vineyard: five hectares at 110 m elevation; oldest Semillon vines planted 1923 and 1927
• Johnno's Vineyard: 2.1 hectares of Semillon planted 1908; alluvial sandy loam soils at 135 m elevation; renamed 2002 from Long Flat
• Combined Vat 1 source area approximately six hectares; blocks separated by 800 m flanking the same creek
• All vines dry-grown and on their own roots; ungrafted own-rooted vines are increasingly rare in the modern wine world

Vat 1 is fermented in temperature-controlled stainless steel tanks with no oak contact at any stage. The wine spends time on its lees before bottling to add texture and breadth. It is not put through malolactic fermentation, preserving its bright natural acidity. Released only after a minimum of five years of bottle age, Vat 1 arrives to market as a wine that has already begun its evolution. The wines are exclusively estate fruit and are only produced in vintages where quality meets the winery's exacting standards. Production is approximately 2,000 to 2,500 cases per year. The style is 100 percent Semillon, bone-dry, unoaked, and low in alcohol, typically between 10.5 and 11.5 percent, because grapes are harvested early in January or February before full sugar ripeness.

• 100% stainless steel fermentation; no oak, no malolactic fermentation; extended lees contact for texture
• Released after a minimum five years of bottle age; typically available at around six years old at retail
• Production approximately 2,000-2,500 cases annually; only made in qualifying vintages
• Alcohol typically 10.5-11.5% ABV due to early harvest; fruit is hand-sorted in the vineyard

Hunter Valley Semillon undergoes one of the most dramatic flavor transformations of any white wine grape in the world. Young Vat 1 shows a lean, austere profile of lime zest, lemon curd, grassy notes, and stony minerality, with a clean, taut acid backbone. After approximately five to ten years, the first honeyed characters begin to emerge. With ten to twenty years of bottle age, the wine transforms entirely: rich golden hues, toasted brioche, beeswax, lanolin, barley sugar, and truffle develop alongside a glycerol-rich texture. Bruce Tyrrell has suggested the wine is at its best at around five years or again at ten to twelve. At 21 years, the 1998 Vat 1 was still reported as lively. Because the wines are unoaked and have no malolactic fermentation, experienced tasters sometimes mistake aged examples for oaked Chardonnay.

• Young: lime zest, lemon, grassy, stony; after 10+ years: toast, honey, beeswax, lanolin, barley sugar, truffle
• Better examples improve in bottle for 15 years or more; Bruce Tyrrell suggests optimal windows at five years and at ten to twelve years
• Absence of oak and malolactic fermentation means aged examples are sometimes mistaken for oaked Chardonnay by blind tasters
• Screw cap (now standard on Vat 1) has extended the aging window compared with cork-sealed earlier vintages

The Winemaker's Selection Vat 1 Semillon is Australia's most awarded white wine, having accumulated almost 5,500 medals and more than 330 trophies. The 2005 vintage alone won 24 trophies and 47 gold medals. In 2016, Decanter magazine included the 1994 Tyrrell's Vat 1 Semillon in its 'International Wine Legends' list, the only other Australian wines on that list being Penfolds Grange, Penfolds Bin 60A Cabernet Shiraz, Wynns John Riddoch Cabernet Sauvignon, Henschke Hill of Grace, and Lindemans Special Reserve Hunter River Burgundy. Recent vintages have earned top critical scores, including 98 points for the 2021 and 97 points from Wine Advocate for the 2017. Tyrrell's Wines ranked as the highest new entry on Drinks International's Most Admired Wine Brands in the World list in 2025 at number 40.

• Almost 5,500 medals and 330+ trophies accumulated since 1963; the 2005 vintage alone earned 24 trophies and 47 gold medals
• 1994 vintage named a Decanter 'International Wine Legend' in 2016 alongside Penfolds Grange and Henschke Hill of Grace
• 2021 vintage scored 98/100 on Wine-Searcher critic aggregation; 2017 vintage earned 97 points from Wine Advocate
• Tyrrell's ranked No. 40 on Drinks International Most Admired Wine Brands 2025, the highest new entry that year