The 2021 Clonakilla Shiraz / Viognier is a proprietary blend from the Canberra sub-region of New South Wales, Australia. Produced by Clonakilla, this wine is a blend of Shiraz and Viognier, characterized by its red color and closed with a screw cap. It has an alcohol content of 13.5%.

Vinous awarded this wine a score of 92 and described it as "pretty and ethereal" with aromas of raspberry, rose petal, and white pepper, complemented by Chinese five spice. The review noted the wine's "supple and elegant" style, with fresh acidity and delicate tannins contributing to a "fine and lingering finish." According to Vinous, it's a refined expression of Clonakilla that can be enjoyed from 2022 to 2035.

Halliday Wine Companion rated the wine at 95, calling it "somewhat atypical" with "upfront acidity and pomegranate tang." The review highlighted the presence of red and blue fruits, warm earth, oak spice, fresh herbs, and menthol, which imparts a cooling sensation. It described the wine as "tightly coiled, stony and firm," yet medium-bodied with "supple, fine tannins." Halliday found it to be an intriguing and enjoyable rendition, suggesting it could be enjoyed by 2035.

James Suckling gave the wine a score of 96, praising its "fantastic aromas of dark berry, thyme, white pepper, and lavender." He noted the medium body, firm and silky tannins, and fine texture. Suckling emphasized the wine's energy and focus, recommending it be consumed in a couple of years to soften its edges.

Robert Parker's Wine Advocate provided the highest score at 97. The review detailed the wine's evolution over several days, noting how it opened up beautifully and harmonized its components. The Advocate highlighted notes of "rose petals, raspberry leaf tea, brine, licorice root, redcurrant, tobacco leaf," and hints of "orange rind/bergamot." The palate is shaped by very fine tannins, leaving a trail of "cocoa nib, clove bud" and orange zest. The review concluded by praising the wine's quality and ageability, suggesting it is a beautiful wine in its youth.

Overall, the 2021 Clonakilla Shiraz / Viognier is highly regarded by professional reviewers, with excellent reviews particularly from James Suckling and Robert Parker's Wine Advocate, highlighting its complex aromas, refined structure, and promising ageability.