Mayer is situated in the Yarra Valley, Victoria's premier cool-climate region, where elevation and maritime influence shape wines of precision and structure. The winery draws on Yarra Valley's reputation for Pinot Noir and Cabernet Sauvignon, alongside the region's emerging focus on alternative varieties. The Dr. Mayer Gamay demonstrates the potential of Gamay in this terroir, while the Cabernet and Granite Pinot Noir showcase the valley's capacity for age-worthy reds. These wines have been assessed by Wine Advocate, Wine Enthusiast, Wine Spectator, Falstaff, and Decanter. The Yarra Valley's cool nights and warm days create conditions suited to varieties that demand balance between ripeness and acidity—a signature of the region's best expressions.