Most soils are well-drained, sandy loess over Missoula Flood slackwater deposits and fractured basalt. This allows a limited number of vineyards in the eastern section to dry farm - an extreme rarity in Washington. However, the west side of the Valley gets an average of only 7 inches of rain each year, while the eastern border of the AVA, which stretches up into the foothills of the Blue Mountains, gets an average of 20 inches of rainfall annually. The average annual rainfall in the entire valley is 15 inches. Precipitation varies throughout the valley. The area is cooler and wetter than a number of Washington’s growing regions. The Walla Walla Valley is a climatically diverse growing region. Cabernet Sauvignon, however, is the most planted variety. Syrahs, particularly from the southern section of the Valley, are notable for their distinctive savory profiles. Grape production in the Walla Walla Valley is dominated by red varieties. Nearly 3,000 acres of prime vineyards and more than 120 wineries are just the most recent expression of a rich farming heritage. However, the Walla Walla AVA has the highest concentration of wineries in the state. After the Yakima Valley AVA, the Walla Walla AVA has the second highest concentration of vineyards in Washington State. In addition to grapes, the area produces those world famous Walla Walla sweet onions (aka Walla Walla Sweets) along with a number of other agricultural crops such as wheat, apples, asparagus, and strawberries. The region is wholly contained within the larger Columbia Valley and is named after a Native American term for “many waters.” If you need a map that’s ready to hang on the wall, we can frame or martin mount your map to save you time and money. Here are the details, contact us with questions.The Walla Walla Valley AVA is located in the southeastern part of Washington State but extends across state lines into the northeastern corner of Oregon. Most wall maps are offered in a variety of finishing options. If you have any questions on if your order qualifies for a return, please CONTACT US. *Finishes such as Martin Mount & Framed are also not returnable as they went through production on a by-order basis by our team. We do not refund the initial shipping charges and you’re responsible for shipping charges to get the product back to us unless we made a mistake in the order. We will issue your return within three days of receiving the product back. Contact us within 30 days of receiving your product to receive a return authorization number, which you can write on the box and ship back to us.
We offer free returns within 30 days for this product*. Includes: all AVAs of Oregon and Washington all Geographic Indications (GIs) as well as sub GIs of British Columbia detail maps of Walla Walla Valley and the northern Willamette Valley statistics on major grape varieties of Oregon, Washington, and British Columbia Washington is the second-largest wine-producing state in the US, while Oregon is the fourth-largest. The relatively cool and mild climate of the Pacific Northwest makes it the most Europe-like of North America’s wine-growing regions.