Tahbilk operates in the Nagambie Lakes subregion of Victoria's Goulburn Valley, where cool-climate conditions shape distinctive wines. The winery's focus centers on Marsanne and Shiraz—varieties that thrive in Central Victoria's continental climate. Museum Release Marsanne and the 1927 Vines Marsanne demonstrate the region's capacity for age-worthy white wines with structure and complexity. The Eric Stevens Purbrick Shiraz reflects the darker, spice-driven character typical of Goulburn Valley reds. These flagship expressions have been assessed by Wine Enthusiast, Wine Advocate, Wine Spectator, and Decanter. Marsanne, a white grape traditionally associated with the Rhône Valley, finds particular expression here; the winery's extended cellaring of these wines suggests confidence in their evolution. The Shiraz offerings align with Victoria's reputation for medium-bodied, elegant interpretations of the variety rather than the heavier styles found in warmer regions.