Coho produces wines from Napa Valley's North Coast region, where Cabernet Sauvignon and Merlot thrive in the valley's distinctive terroir. The winery's Cabernet Sauvignon from Summit Vine Ranch demonstrates the depth and structure the region is known for, while the Michael Black Vineyard Premiere Napa Valley Merlot showcases the softer, fruit-forward character Merlot can achieve in this climate. The Headwaters Red, a Cabernet Sauvignon, Merlot, and Petit Verdot blend, bridges these expressions. Wine Advocate and Wine Enthusiast have rated Coho's portfolio, reflecting the technical precision evident across the lineup.