All American Wineries: Lists wineries and vineyards open to the public, with contact information and links. Also contains some general wine-related links.
AOL City Guide - Winery Guide: Lists wineries by region and city. Gives location, tasting hours, directions, and reviews for each winery.
Connoisseurs' Guide to California Wine: Reviews wines from California, Oregon and Washington. Also has information on appellations, grape varieties and vocabulary.
Getting To Know Northwest Wines - Suite101.com: Information about Washington and Oregon, including articles and links.
The Northwest Wine Coalition: Winery association offers information about production, events, and wineries of Washington, Oregon, and Idaho.
Weekend Winery: Offers links to thousands of wineries. Also contains articles, monthly featured wines, and recipes.
WineRelease.com: Lists past and upcoming release dates of the country's wines.