Horse heaven hills. Mercer Estates is dedicated to producing distinctive wines through shared passions for grape growing and winemaking. With over 100 years of agricultural history in Washington State, we employ award winning, sustainable farming and winemaking to ensure our wines express the true character of our vineyards. This wine is 100% grenache! The lush fruit in the mouth leads to a crisp, bright and delicious finish. - Jessica Munnell, winemaker. MercerWine.com.