Rattlesnake Hills Wine Trail
- Information about a proposed new American Viticultural Area in Yakima Valley. Includes a map and winery details, along with information about the region's geography, climate, and soil.
- http://www.rattlesnakehills.com/

Central Washington Wineries
- Descriptions, contact information, and pictures of producers in the central part of the state.
- http://www.aviewofamerica.com/Wine/

Columbia Cascade Winery Association
- Includes information about the region, which is located in the Cascade Mountains. Contains a map, member winery profiles, grape varieties, tours, events, news, and recipes.
- http://www.columbiacascadewines.com/

Walla Walla Wines Online
- Guide listing wineries in the area, featured wines, and mailing list.
- http://www.wallawallawinesonline.com/

Washington Wine Commission
- Official site containing current industry information. Includes individual mini-sites for each winery and news.
- http://www.washingtonwine.org

WineSquire.com
- Resource for the Seattle area includes information about the local industry and locally-available recommendations.
- http://www.winesquire.com/

Yakima Valley Winery Association
- Wineries of the Yakima Valley offer information about the region and products. Also contains information on events, dining and lodging.
- http://www.yakimavalleywine.com/

Mike L's Guide to Washington State Wineries
- A local enthusiast provides an up-to-date guide to the region's industry.
- http://www.vintners.net/wawine/

Wines Northwest: Washington
- A one-stop resource for creating tours. Maps, lodging and dining suggestions, calendar of events, wine reviews and online sales.
- http://www.winesnw.com/wahome.html

Washington Wine Archives
- History of the state's industry.
- http://www.wawinearchives.com/