Walnut Crest operates in Chile's Rapel Valley, a region within the Central Valley known for ripe fruit expression and structured reds. The winery focuses on Merlot, a varietal that thrives in the valley's warm climate and produces wines with dark fruit character and approachable tannins. The flagship Merlot and Select Merlot represent the winery's core offerings. Both wines have been assessed by major critics including Wine Advocate, Wine Spectator, Wine Enthusiast, and Falstaff, with the Merlot averaging 87 points and the Select Merlot at 84 points across prestige ratings.