Formed in 1959, Mercer Ranches is a fifth-generation family lead, diversified agricultural company located high above the Columbia River in the Horse Heaven Hills of South Eastern Washington. We are a leader in high tech, sustainable agriculture and viticulture. Our agricultural products include carrots, potatoes, onions, corn, organics and wine grapes along with several other custom grown crops. We also operate our award-winning family winery, Mercer Estates, along with a custom crush and wine making operation.