Walla Walla. Washington. Established 1984. Washington state. Waterbrook, one of Walla Walla's founding wineries, draws its name from the translation of Walla Walla, Nez Perce for many waters. this well-crafted merlot marries the aromas and flavors of sweet black cherry, dark chocolate and spice, leading to o faint hint of mint and oak on the balanced finish.