National trade association representing the interests of over 550 professional companies that provide outdoor recreation services and equipment. Includes search by activities and states.
Search engine dedicated to outdoors enthusiasts and adventurous spirits. Contains links to survival, extreme sports, travels, mountaineering, games, real experiences, and tips. [English, Spanish and Portuguese]
Online guide to trails for biking, hiking, and cross-country skiing with ratings submitted by trail users. Plus books, clubs, events, lodges and guide services.