This multi-state appellation is 11 million acres in size and takes up a third of Washington. It encompasses the Yakima and Walla Walla valleys, Red Mountain, Horse Heaven Hills, Rattlesnake Hills, Wahluke Slope and Snipes Mountain. It was established in 1984.
The Northwest's oldest appellation (established in 1983) stretches from Wapato in the west to Benton City in the east and includes Red Mountain and Rattlesnake Hills. The Yakima Valley has about 11,000 acres of wine grapes.
This multi-state appellation is in the southeast corner of Washington. The Walla Walla Valley is 300,000 acres in size with about 1,000 acres of wine grapes planted. It was established in 1984.
Washington's smallest appellation is a ridge in the eastern Yakima Valley. It is 4,040 acres in size with about 800 acres of mostly red wine grapes planted. It was established in 2001.
This large appellation - 570,000 acres - is south of the Yakima Valley and stretches to the Oregon border. It now has more than 9,000 acres of wine grapes planted. It was established in 2005.
Approved in early 2006, this huge landform north of the Yakima Valley is an 81,000-acre gravel bar created by the Ice Age Floods. More than 5,000 acres are planted in this AVA, which is one of the warmest regions in the entire Pacific Northwest. It was established in 2006.
This appellation is in the western Yakima Valley north of the towns of Zillah, Granger and Outlook.The appellation is 68,500 acres in size with about 1,300 acres of vineyards. It was established in 2006.
This sprawling appellation is in Western Washington. It stretches from the Olympia area to the Canadian border north of Bellingham. It also sweeps through the San Juan Islands and to Port Angeles. Fewer than 100 acres of wine grapes are planted. It was established in 1995.
This multi-state appellation begins around the town of Lyle and heads west to Husum on the Washington side of the Columbia River. It was established in 2004.
One of Washington's oldest wine-growing regions became an official appellation in early 2009.
Lake Chelan is the name of North America's third-deepest lake and now is one of Washington's newest and most dynamic wine regions.
Oregon's largest appellation stretches roughly from Portland to Eugene. It was established in 1984.
This is the Northwest's smallest appellation at 3,350 acres. It is best known for its Pinot Noir and is within the Chehalem Mountains AVA. It was established in 2005.
This appellation has more than 650 acres of wine grapes, primarily Pinot Noir. It is a horseshoe-shaped appellation that surrounds the towns of Yamhill and Carlton. It was established in 2005.
The most-recently approved Oregon AVA also is the largest within the Willamette Valley. This 62,100-acre appellation is northeast of the Dundee Hills. It was established in 2006.
Many of Oregon's pioneer wineries are in the Dundee Hills within Oregon's Yamhill County. The appellation is 6,490 acres in size with nearly 1,300 acres of planted vineyards. It was established in 2005.
This important region stretches from the town of Amity in the north to the capital city of Salem in the southeast. It is 37,900 acres in size and has 1,300 acres planted. It was established in 2006.
The hills south and west of the Yamhill County city of McMinnville are more than 40,000 acres in size and contains about 600 acres of wine grape vineyards. It was established in 2005.
This Southern Oregon appellation surrounds the city of Roseburg north of the Rogue Valley. It can produce Pinot Noir as well as warm-climate grapes. It was established in 1984.
The Northwest's southern-most appellation surrounds the cities of Medford and Ashland, just north of the California border. It is known for its warm growing conditions. It was established in 2000.
This small valley within the Rogue Valley is known for a multitude of microclimates that can result in wines of distinction and complexity. It was established in 2004.
This multi-state appellation is around and south of the city of Hood River. It was established in 2004.
This large AVA encompasses the Umpqua, Rogue and Applegate valleys and Red Hill Douglas County appellations. It was established in 2005.
This tiny appellation - just 5,500 acres - is within the Umpqua Valley. Fewer than 200 acres of wine grapes, primarily Pinot Noir, are grown here. It was established in 2005.
This multi-state appellation is 11 million acres in size. It is mostly in Washington but also dips into Oregon along the cities of The Dalles, Boardman and Hermiston.
This multi-state appellation is in the southeast corner of Washington and northeast section of Oregon, around the town of Milton-Freewater. In fact, many of the appellation's most famous vineyards (Seven Hills, for example) are on the Oregon side of the border.
This appellation is in southwestern Idaho and southeastern Oregon. It covers 8,263 square miles and was established in 2007.
In the province's interior, this 100-mile valley stretches from the border in Osoyoos to Salmon Arm in the north. Most wineries are near Oliver, Penticton and Kelowna. It was established in 1990. Spelling note: In Washington, the county, river and city are spelled "Okanogan."
This warm valley is west of the southern Okanagan Valley. It was established in 1990.
This marine-influenced appellation is in the southwest part of the province. It was established in 1990.
This farming area is in the Lower Mainland, south of Vancouver. It was established in 1990.
This appellation, the province's newest, includes approximately 100 islands spread out between Vancouver Island and the southern mainland. It was established in 2005.
This appellation is in southwestern Idaho and southeastern Oregon. It is 8,263 square miles and includes vineyards near the cities of Nampa and Caldwell, west of Boise. It was approved in 2007.