Horse Heaven Hills
The Mercer family has been cultivating the Horse Heaven Hills since 1972, and their winery—established in 2005—draws from deep-rooted vineyard expertise in this iconic Washington AVA. They craft a diverse range of wines across multiple programs, from Cabernet Sauvignon and bold red blends to crisp whites like Chardonnay and Riesling, earning consistent recognition with 90+ scores and gold medals. Located in Prosser, Mercer Wine Estates combines heritage vineyard knowledge with a thoughtful portfolio that spans both classic and distinctive varietals.
Mercer Wine Estates
3100 Lee Road
Prosser, WA 99350
Amenity information reflects general winery policy and may not account for events, weekends, or seasonal changes. If you're planning a specific visit — especially with children, pets, or a group — a quick call ahead is worthwhile.
Single vineyards named on this winery's bottlings — may be estate-owned or purchased fruit.