Arbuckle Ridge Morro Rock GSM is a Rhône-style red blend from Paso Robles in California's Central Coast region. GSM refers to the classic blend of Grenache, Syrah, and Mourvèdre grapes, though recent vintages also include Graciano. The 2023 vintage is composed of 52% Syrah, 33% Mourvèdre, 10% Grenache, and 5% Graciano.

This wine has earned critical acclaim with 93 points from both James Suckling and Jeb Dunnuck. It presents bright, fresh, and perfumed aromas of wild raspberries, dark cherries, rose petals, red and black cherries, herbes de Provence, spice, and leather. The palate is medium-bodied with finely integrated tannins, bright acidity, and high-toned notes of plums, blackberries, pencil shavings, baking spice, and vanilla. The wine shows considerable depth and character with ripe, integrated tannins.

Wine critics describe it as wonderfully balanced and bright, with supple, seamless, and charming qualities. The wine is suitable for immediate enjoyment or cellaring, with an optimal drinking window from 2025 to 2035.