| Yakima Valley | Columbia Valley | Walla Walla Valley | Puget Sound | Red Mountain | Columbia Gorge | Horse Heaven Hills | Wahluke Slope | Rattlesnake Hills | Snipes Mountain | Lake Chelan |

• Sits in the foothills of the Blue Mountains in the Southeastern corner of Washington State
• Extending partly into the northeastern corner of Oregon
• The most remote of all Washington State wine regions
• The wine region is entirely included within the larger Columbia Valley AVA
• After the Yakima Valley AVA, the Walla Walla AVA has the second highest concentration of vineyards and wineries in Washington State
• The soils of the Walla Walla Valley consist largely of wind-deposited silt known as loess (provides good drainage for the vines)
• The area receives minimum rainfall, about 12.5” per year, and thus relies on irrigation to supply water to vineyards  
• Generally cooler than the surrounding Columbia Valley AVA
• The southern part of Walla Walla Valley extends into the state of Oregon and is one of the warmer wine growing regions in that state, after the Rogue Valley (Syrah is a major planting in this area)
• The area is named after the Walla Walla people who lived along the shores of the Walla Walla River at its junction with the Snake River and the Columbia River
• The name Walla Walla means “rapid stream” or “many waters
• Cabernet Sauvignon is the most well known and widely planted grape in the area, followed by Merlot, Syrah, Sangiovese, and Cabernet Franc